100+ datasets found
  1. Zillow Home Value Index (Updated Monthly)

    • kaggle.com
    zip
    Updated Oct 21, 2025
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    Rob Mulla (2025). Zillow Home Value Index (Updated Monthly) [Dataset]. https://www.kaggle.com/datasets/robikscube/zillow-home-value-index
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    zip(273663 bytes)Available download formats
    Dataset updated
    Oct 21, 2025
    Authors
    Rob Mulla
    License

    https://creativecommons.org/publicdomain/zero/1.0/https://creativecommons.org/publicdomain/zero/1.0/

    Description

    Reference: https://www.zillow.com/research/zhvi-methodology/

    Official Background

    In setting out to create a new home price index, a major problem Zillow sought to overcome in existing indices was their inability to deal with the changing composition of properties sold in one time period versus another time period. Both a median sale price index and a repeat sales index are vulnerable to such biases (see the analysis here for an example of how influential the bias can be). For example, if expensive homes sell at a disproportionately higher rate than less expensive homes in one time period, a median sale price index will characterize this market as experiencing price appreciation relative to the prior period of time even if the true value of homes is unchanged between the two periods.

    The ideal home price index would be based off sale prices for the same set of homes in each time period so there was never an issue of the sales mix being different across periods. This approach of using a constant basket of goods is widely used, common examples being a commodity price index and a consumer price index. Unfortunately, unlike commodities and consumer goods, for which we can observe prices in all time periods, we can’t observe prices on the same set of homes in all time periods because not all homes are sold in every time period.

    The innovation that Zillow developed in 2005 was a way of approximating this ideal home price index by leveraging the valuations Zillow creates on all homes (called Zestimates). Instead of actual sale prices on every home, the index is created from estimated sale prices on every home. While there is some estimation error associated with each estimated sale price (which we report here), this error is just as likely to be above the actual sale price of a home as below (in statistical terms, this is referred to as minimal systematic error). Because of this fact, the distribution of actual sale prices for homes sold in a given time period looks very similar to the distribution of estimated sale prices for this same set of homes. But, importantly, Zillow has estimated sale prices not just for the homes that sold, but for all homes even if they didn’t sell in that time period. From this data, a comprehensive and robust benchmark of home value trends can be computed which is immune to the changing mix of properties that sell in different periods of time (see Dorsey et al. (2010) for another recent discussion of this approach).

    For an in-depth comparison of the Zillow Home Value Index to the Case Shiller Home Price Index, please refer to the Zillow Home Value Index Comparison to Case-Shiller

    Each Zillow Home Value Index (ZHVI) is a time series tracking the monthly median home value in a particular geographical region. In general, each ZHVI time series begins in April 1996. We generate the ZHVI at seven geographic levels: neighborhood, ZIP code, city, congressional district, county, metropolitan area, state and the nation.

    Underlying Data

    Estimated sale prices (Zestimates) are computed based on proprietary statistical and machine learning models. These models begin the estimation process by subdividing all of the homes in United States into micro-regions, or subsets of homes either near one another or similar in physical attributes to one another. Within each micro-region, the models observe recent sale transactions and learn the relative contribution of various home attributes in predicting the sale price. These home attributes include physical facts about the home and land, prior sale transactions, tax assessment information and geographic location. Based on the patterns learned, these models can then estimate sale prices on homes that have not yet sold.

    The sale transactions from which the models learn patterns include all full-value, arms-length sales that are not foreclosure resales. The purpose of the Zestimate is to give consumers an indication of the fair value of a home under the assumption that it is sold as a conventional, non-foreclosure sale. Similarly, the purpose of the Zillow Home Value Index is to give consumers insight into the home value trends for homes that are not being sold out of foreclosure status. Zillow research indicates that homes sold as foreclosures have typical discounts relative to non-foreclosure sales of between 20 and 40 percent, depending on the foreclosure saturation of the market. This is not to say that the Zestimate is not influenced by foreclosure resales. Zestimates are, in fact, influenced by foreclosure sales, but the pathway of this influence is through the downward pressure foreclosure sales put on non-foreclosure sale prices. It is the price signal observed in the latter that we are attempting to measure and, in turn, predict with the Zestimate.

    Market Segments Within each region, we calculate the ZHVI for various subsets of homes (or mar...

  2. Consumer prices; price index 2006 = 100, 1996 - 2015

    • data.overheid.nl
    • ckan.mobidatalab.eu
    • +2more
    atom, json
    Updated Nov 2, 2016
    + more versions
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    Centraal Bureau voor de Statistiek (Rijk) (2016). Consumer prices; price index 2006 = 100, 1996 - 2015 [Dataset]. https://data.overheid.nl/dataset/4836-consumer-prices--price-index-2006---100--1996---2015
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    atom(KB), json(KB)Available download formats
    Dataset updated
    Nov 2, 2016
    Dataset provided by
    Centraal Bureau voor de Statistiek
    License

    Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
    License information was derived automatically

    Description

    The Consumer price index (CPI) all households, calculated by Statistics Netherlands, measures the average price changes of goods and services purchased by households. The index is an important criterion for inflation, frequently used by trade and industry, employers' organisations, trade unions and government. The index is for instance, used to make adjustments to wages, tax tablesand index-linked rent increases, annuities, etc.

    Data available from: January 1996 till December 2015

    Status of the figures: The figures in this table are final.

    Changes as of 18 May 2016: None, this table is stopped.

    Changes from 7 January 2016: New figures added.

    Changes from 10 December 2015: On 1 October 2015, the points system for the pricing of rental homes was adjusted by the Dutch national government. As a direct consequence, rental prices of a limited number of dwellings were reduced, which had a downward effect on the average rental price. The effect of this decrease on the rental price indices and imputed rent value could not be determined in time because housing associations announced the impact of rent adjustments only in November. For this reason, the figures of the groups 04100 ‘Actual rentals for housing’ and 04200 ‘Imputed rent value’ over October 2015 have now been adjusted.

    The figures of the groups 061100 ‘Pharmaceutical products’, 061200 ‘Other medical products, equipment’, 072200 ‘Fuels and lubricants’ and 083000 ‘Telephone and internet services’ over the months June through September 2015 have been corrected. This has no impact on the headline indices.

    The derived CPI decreased by 0.01 index point over August 2015.

    When will new figures be published? Not applicable. This table is succeeded by Consumer prices; price index 2015=100. See paragraph 3.

  3. Producer Price Index

    • kaggle.com
    zip
    Updated Sep 12, 2017
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    US Bureau of Labor Statistics (2017). Producer Price Index [Dataset]. https://www.kaggle.com/datasets/bls/producer-price-index
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    zip(30445848 bytes)Available download formats
    Dataset updated
    Sep 12, 2017
    Dataset provided by
    Bureau of Labor Statisticshttp://www.bls.gov/
    Authors
    US Bureau of Labor Statistics
    License

    https://creativecommons.org/publicdomain/zero/1.0/https://creativecommons.org/publicdomain/zero/1.0/

    Description

    Context

    The US Bureau of Labor Statistics monitors and collects day-to-day information about the market price of raw inputs and finished goods, and publishes regularized statistical assays of this data. The Consumer Price Index and the Producer Price Index are its two most famous products. The former tracks the aggregate dollar price of consumer goods in the United States (things like onions, shovels, and smartphones); the latter (this dataset) tracks the cost of raw inputs to the industries producing those goods (things like raw steel, bulk leather, and processed chemicals).

    The US federal government uses this dataset to track inflation. While in the short term the raw dollar value of producer inputs may be volatile, in the long term it will always go up due to inflation --- the slowly decreasing buying power of the US dollar.

    Content

    This dataset consists of a packet of files, each one tracking regularized cost of inputs for certain industries. The data is tracked-month to month with an index out of 100.

    Acknowledgements

    This data is published online by the US Bureau of Labor Statistics.

    Inspiration

    • How does the Producer Price Index compare against the Consumer Price Index?
    • What have the largest spikes in input costs been, historically? Can you determine why they occurred?
    • What is the overall price index trend amongst US producers?
  4. i

    Sample Survey on Price Statistics (Producer Price Index and Agriculture...

    • catalog.ihsn.org
    Updated Mar 29, 2019
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    National Statistical Service (2019). Sample Survey on Price Statistics (Producer Price Index and Agriculture Price Index) 2007 - Armenia [Dataset]. https://catalog.ihsn.org/catalog/288
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    Dataset updated
    Mar 29, 2019
    Dataset authored and provided by
    National Statistical Service
    Time period covered
    2007
    Area covered
    Armenia
    Description

    Abstract

    Transition to free economic structure and, as a consequence, processes of privatization of large agricultural and industrial organizations and birth of numerous new economic entities led to significant changes in quantitative and qualitative characteristics of industrial organizations and peasant farms in RA. During the last decade and especially the last 4-5 years, the structural changes, in their turn, caused also certain complications in the mentioned fields in terms of ensuring collection, comprehensiveness and reliability of statistical data on prices and pricing.

    In particular, in case of radical structural changes, international recommendations require the weights upon which price indexes are based to be periodically updated. In order to have a real picture and dynamics of the present situation on creation of indicators for new base year, i.e. collection of information on set of goods-representatives, their weights, average annual prices, prices and price changes, it would be necessary to periodically conduct sample surveys for further improvement of the methodology for price index calculation.

    The objectives of the survey were: • to improve the sample, develop a new sample, • to revise the base year and weights, • to receive additional information on prices of sales of industrial, agricultural product and purchase (acquisition of production means) in RA, • to improve methodology for price observation and calculation of price indexes (survey technology, price and other necessary data collection, processing, analyzing), • to revise the base year for producer price indexes, components structure, shares, calculation mechanism, etc., • to derive price indexes that would be in line with the international definitions, standards and classifications, • to complement the NSS RA price indexes database and create preconditions for its regular updating, • to update the information on economic units covered by price indexes calculation, • to ensure use of international standards and classifications in statistics, • to form preconditions for extension of sample observation mechanisms in the state statistics.

    Besides the above mentioned, the need of the given survey was also stipulated by the following reasons: - a great mobility of micro-sized, small and medium-sized organizations mainly caused by increased speed of their births, activity and produced commodity changes or deaths that decreases the opportunity to create long-term fixed-base time series of prices and price indexes, - According to the CPA classification coding and recoding activities related to the introduction of Armenian classification of economic activities - NACE (based on the European Communities’ NACE classification).

    Geographic coverage

    National

    Kind of data

    Sample survey data [ssd]

    Sampling procedure

    SAMPLE DESIGN

    Agriculture The sample of the survey was desighned in the conditions of lack of farm register. The number of peasant farms was calculated and derived by database analysis. The number of villages (quotas) selected from each marz was determined taking into account the percent of rural population of marzes. The villages from marz were selected randomly. The peasant farms covered by the survey were selected based on number of privatized plots. The survey was carried out in 200 rural communities selected from 10 marzes, in 5-20 households from each community. Pilot survey was conducted with 1 901 farms in the sample.

    Industry The sample frame for the survey was designed as follows: 1. The industrial organizations with share 5 and more percent have been selected by reduction method from fifth level (each subsection) of NACE for whole RA industry. 476 out of 2231 industrial organizations covered by statistical observation were selected for pilot survey.

    1. 70 organizations suggested by Industry statistics division of NSS RA and 70 organizations included in state observations on prices conducted previously by the NSS RA (in all 140 organizations), which are considered important and representative for price observation and excluded from the above-mentioned sample, were separated from the general population. These organizations have also been included in sample population of the pilot survey. As it became obvious from further work, the sample covered both the large and medium-sized and the small and micro-sized organizations, which ensured the representativeness of separate branches of industry and organizations by size. As a result, given by the objective of the survey, as well as available financial constraints, the sample population of the pilot survey comprised 616 industrial organizations, the volumes of produced production of whichaccording to the data for January-October of 2006 comprised more than 86% of total volume of RA industrial production. 165 (92.7%) out of 178 classes of NACE were covered by the sample.

    Mode of data collection

    Face-to-face [f2f]

  5. USA House Price Index & MacroEconomic Variables

    • kaggle.com
    zip
    Updated Jun 19, 2025
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    Diganta (2025). USA House Price Index & MacroEconomic Variables [Dataset]. https://www.kaggle.com/datasets/digantabhattacharya/usa-house-price-index-and-macroeconomic-variables
    Explore at:
    zip(31094 bytes)Available download formats
    Dataset updated
    Jun 19, 2025
    Authors
    Diganta
    License

    MIT Licensehttps://opensource.org/licenses/MIT
    License information was derived automatically

    Area covered
    United States
    Description
    1. Average Sales Price for New Houses Sold in the United States: https://fred.stlouisfed.org/series/ASPNHSUS

    2. Average Sales Price of Houses Sold for the United States: https://fred.stlouisfed.org/series/ASPUS

    3. New One Family Houses Sold: https://fred.stlouisfed.org/series/HSN1F

    4. Monthly Supply of New Houses in the United States: https://fred.stlouisfed.org/series/MSACSR

    5. Median Sales Price of Houses Sold for the United States: https://fred.stlouisfed.org/series/MSPUS

    6. Homeownership Rate in the United States: https://fred.stlouisfed.org/series/RHORUSQ156N

    7. Total Shipments of New Manufactured Homes: https://fred.stlouisfed.org/series/SHTSAUS

    8. Unemployment Rate: https://fred.stlouisfed.org/series/UNRATE

    9. Economic Policy Uncertainty Index for United States: https://fred.stlouisfed.org/series/USEPUINDXD

    10. S&P CoreLogic Case-Shiller U.S. National Home Price Index: https://fred.stlouisfed.org/series/CSUSHPINSA

    11. Vacant Housing Units Held Off the Market in the United States : https://fred.stlouisfed.org/series/EOCCUSEUSQ176N

    12. Occupied Housing Units in the United States: https://fred.stlouisfed.org/series/EOCCUSQ176N

    13. Vacant Housing Units Held Off the Market in the United States: https://fred.stlouisfed.org/series/EOFFMARUSQ176N

    14. Vacant for Other Reasons in the United States: https://fred.stlouisfed.org/series/EOTHUSQ176N

    15. Renter Occupied Housing Units in the United States: https://fred.stlouisfed.org/series/ERNTOCCUSQ176N

    16. Vacant Housing Units Not Yet Occupied in the United States: https://fred.stlouisfed.org/series/ERNTSLDUSQ176N

    17. Vacant Housing Units for Sale in the United States: https://fred.stlouisfed.org/series/ESALEUSQ176N

    18. Total Housing Units in the United States: https://fred.stlouisfed.org/series/ETOTALUSQ176N

    19. Median Days on Market in the United States: https://fred.stlouisfed.org/series/MEDDAYONMARUS

    20. Median Listing Price per Square Feet in the United States: https://fred.stlouisfed.org/series/MEDLISPRIPERSQUFEEUS

  6. w

    UK House Price Index: data downloads January 2025

    • gov.uk
    Updated Mar 26, 2025
    + more versions
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    HM Land Registry (2025). UK House Price Index: data downloads January 2025 [Dataset]. https://www.gov.uk/government/statistical-data-sets/uk-house-price-index-data-downloads-january-2025
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    Dataset updated
    Mar 26, 2025
    Dataset provided by
    GOV.UK
    Authors
    HM Land Registry
    Area covered
    United Kingdom
    Description

    The UK House Price Index is a National Statistic.

    Create your report

    Download the full UK House Price Index data below, or use our tool to https://landregistry.data.gov.uk/app/ukhpi?utm_medium=GOV.UK&utm_source=datadownload&utm_campaign=tool&utm_term=9.30_26_03_25" class="govuk-link">create your own bespoke reports.

    Download the data

    Datasets are available as CSV files. Find out about republishing and making use of the data.

    Full file

    This file includes a derived back series for the new UK HPI. Under the UK HPI, data is available from 1995 for England and Wales, 2004 for Scotland and 2005 for Northern Ireland. A longer back series has been derived by using the historic path of the Office for National Statistics HPI to construct a series back to 1968.

    Download the full UK HPI background file:

    Individual attributes files

    If you are interested in a specific attribute, we have separated them into these CSV files:

  7. N

    Norway CPI: Other Consumer Goods: Produce in Norway: Less Influenced by...

    • ceicdata.com
    Updated Sep 15, 2025
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    CEICdata.com (2025). Norway CPI: Other Consumer Goods: Produce in Norway: Less Influenced by World Market Prices [Dataset]. https://www.ceicdata.com/en/norway/consumer-price-index-1998100-annual/cpi-other-consumer-goods-produce-in-norway-less-influenced-by-world-market-prices
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    Dataset updated
    Sep 15, 2025
    Dataset provided by
    CEICdata.com
    License

    Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
    License information was derived automatically

    Time period covered
    Dec 1, 2004 - Dec 1, 2015
    Area covered
    Norway
    Variables measured
    Consumer Prices
    Description

    Consumer Price Index (CPI): Other Consumer Goods: Produce in Norway: Less Influenced by World Market Prices data was reported at 180.800 1998=100 in 2015. This records an increase from the previous number of 175.200 1998=100 for 2014. Consumer Price Index (CPI): Other Consumer Goods: Produce in Norway: Less Influenced by World Market Prices data is updated yearly, averaging 100.000 1998=100 from Dec 1979 (Median) to 2015, with 37 observations. The data reached an all-time high of 180.800 1998=100 in 2015 and a record low of 31.100 1998=100 in 1979. Consumer Price Index (CPI): Other Consumer Goods: Produce in Norway: Less Influenced by World Market Prices data remains active status in CEIC and is reported by Statistics Norway. The data is categorized under Global Database’s Norway – Table NO.I008: Consumer Price Index: 1998=100: Annual.

  8. Consumer Price Index (CPI) - Dataset - Him Data portal

    • ckan.himdataportal.com
    Updated Jun 26, 2024
    + more versions
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    ckan.himdataportal.com (2024). Consumer Price Index (CPI) - Dataset - Him Data portal [Dataset]. https://ckan.himdataportal.com/dataset/consumer-price-index-cpi
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    Dataset updated
    Jun 26, 2024
    Dataset provided by
    CKANhttps://ckan.org/
    License

    Open Data Commons Attribution License (ODC-By) v1.0https://www.opendatacommons.org/licenses/by/1.0/
    License information was derived automatically

    Description

    The Consumer Price Index (CPI) is a statistical measure that tracks the average change over time in the prices paid by consumers for a basket of goods and services. It serves as a key indicator of inflation, reflecting the cost of living and the purchasing power of a currency. Calculated periodically, the CPI is used by governments, economists, and policymakers to make informed decisions on monetary policy, wage negotiations, and economic forecasting. By comparing the CPI across different periods, one can gauge the health of an economy, understand inflationary pressures, and assess the impact of economic policies on everyday consumer expenses.

  9. T

    United States - Producer Price Index by Commodity for Pulp, Paper, and...

    • tradingeconomics.com
    csv, excel, json, xml
    Updated Sep 4, 2020
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    TRADING ECONOMICS (2020). United States - Producer Price Index by Commodity for Pulp, Paper, and Allied Products: Unit Set Business Forms, Loose or Bound, Including Label/Form Type [Dataset]. https://tradingeconomics.com/united-states/producer-price-index-by-commodity-for-pulp-paper-and-allied-products-unit-set-business-forms-loose-or-bound-including-label-form-type-fed-data.html
    Explore at:
    excel, csv, xml, jsonAvailable download formats
    Dataset updated
    Sep 4, 2020
    Dataset authored and provided by
    TRADING ECONOMICS
    License

    Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
    License information was derived automatically

    Time period covered
    Jan 1, 1976 - Dec 31, 2025
    Area covered
    United States
    Description

    United States - Producer Price Index by Commodity for Pulp, Paper, and Allied Products: Unit Set Business Forms, Loose or Bound, Including Label/Form Type was 413.30000 Index Dec 1983=100 in September of 2018, according to the United States Federal Reserve. Historically, United States - Producer Price Index by Commodity for Pulp, Paper, and Allied Products: Unit Set Business Forms, Loose or Bound, Including Label/Form Type reached a record high of 413.30000 in July of 2018 and a record low of 100.00000 in December of 1983. Trading Economics provides the current actual value, an historical data chart and related indicators for United States - Producer Price Index by Commodity for Pulp, Paper, and Allied Products: Unit Set Business Forms, Loose or Bound, Including Label/Form Type - last updated from the United States Federal Reserve on November of 2025.

  10. e

    Data from: House price index

    • data.europa.eu
    excel xlsx
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    North Gate II & III - INS (STATBEL - Statistics Belgium), House price index [Dataset]. https://data.europa.eu/data/datasets/3c3a5306c7f84ac90f6ec053c72744f6e5aa17fa?locale=en
    Explore at:
    excel xlsxAvailable download formats
    Dataset authored and provided by
    North Gate II & III - INS (STATBEL - Statistics Belgium)
    Description

    Purpose and brief description The house price index measures the inflation in the residential property market. The house price index reflects price developments for all residential properties purchased by households (apartments, terraced houses, detached houses), regardless of whether they are new or existing. Only market prices are taken into account, so self-build homes are excluded. The price of the land is included in the price of the properties. Population Real estate transactions involving residential properties Periodicity Quarterly. Release calendar Results available 3 months after the reference period Definitions House price index: The house price index measures changes in the prices of new or existing dwellings, regardless of their use or previous owner. Inflation - house price index: Inflation is defined as the ratio between the value of a given quarter and that of the same quarter of the previous year. Weighting - house price index: Weighting based on the national accounts (gross fixed capital formation in housing) and the total number of real estate transactions involving residential properties. Type of dwelling according to the classification set out in Regulation (EU) No 93/2013 on housing price indices. Technical information The house price index measures the price evolution of real estate prices on the market of private property. The index follows price changes of new or existing residential real estate purchased by households, irrespective of their purpose (letting or owner-occupying). Only market prices are taken into account. Houses built by their owners are therefore not included. The price of the building plot is included in the house price. The house price index is based on real estate transaction data from the General Administration of the Patrimonial Documentation of the FPS Finances. The prices used are those included in the deeds of sale. Given the time between the date on which the preliminary sales agreement is signed and the date on which the deed is executed (between three and four months), this index measures the price evolution with a delay compared to the actual date on which the sales price is set. This delay is inherent to the data source. The house price index is calculated by the European Union Member States, Norway and Iceland. Eurostat calculates the index for the Euro area (as well as for the European Union as a whole) using the harmonised indices of the Member States. Given the role of the housing market in the economic and financial crisis of 2008, the house price index was included in the indicators used in the procedure to prevent and correct macroeconomic imbalances in the European Union. The house price index is calculated under the European Regulation 2016/792 on harmonised indices of consumer prices and the house price index and 2023/1470 laying down the methodological and technical specifications as regards the house price index and the owner-occupied housing price index. Data are available from 2005 onward for Belgium as well as for the European Union and the majority of European countries. The house price index can be broken down by new houses and existing houses. The weights of these two items in the overall index are determined by the gross fixed capital formation in houses (for the new houses) and the total value of transactions of the previous year (for the existing houses). Until 2013, the house price index of new houses was roughly estimated based on the output price index in the construction sector. Since 2014, it is also based on real estate transaction data. House price index for existing houses is available per region since 2010. The data have therefore been completely reviewed when the results for the fourth quarter of 2023 were published in March 2024. Since the houses that are put up for sale differ from one quarter to another, the changes in characteristics are processed with hedonic regression models to eliminate price fluctuations due to changes in characteristics of the properties sold. These models aim to estimate the theoretical price based on the characteristics and location of the houses sold. The index is then calculated based on changes in the average prices observed and adjusted by a factor depending on the differences in quality observed between dwellings sold during the different periods.

  11. m

    Data from: Cost of doing business index in Latin America

    • data.mendeley.com
    Updated Sep 22, 2020
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    Matheus Libório (2020). Cost of doing business index in Latin America [Dataset]. http://doi.org/10.17632/b3yvn2pph9.1
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    Dataset updated
    Sep 22, 2020
    Authors
    Matheus Libório
    License

    Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
    License information was derived automatically

    Area covered
    Latin America, Americas
    Description

    Researchers claim that the Ease of Doing Business (EDBI) is an index that represents only one facet of the conditions of the business environment because the data is collected from companies of a certain size and city. When considering the problem of the representativeness of the EDBI, researchers assume that all the variables in the index vary according to the size of the company or city. In fact, many EDBI variables vary according to the size of the company or city e.g. variables related to public bureaucracy and which are measured by the time and the number of procedures required to do business (World Bank 2018). However, another part of the EDBI variables fits into the classic definition of Transaction Costs. That is, non-operating costs present in all transactions and which resemble transport fees or taxes. Among the EDBI variables, seventeen variables fit this definition because they are precisely taxes and fees regulated by governments that affect companies across the economy (World Bank 2018). This data set is used to create a new index to better represent the conditions of the countries' business environment. The data from twenty countries of Latin America (LA) are retrieved from the World DataBank database (World Bank 2020), which excludes Cuba due to the unavailability of the data.

    The selected variables were weighted according to the opinion of ten experts. The evaluation data of these specialists, as well as the calculations used to find the weights are also available.

  12. F

    Producer Price Index by Commodity: All Commodities

    • fred.stlouisfed.org
    json
    Updated Nov 25, 2025
    + more versions
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    (2025). Producer Price Index by Commodity: All Commodities [Dataset]. https://fred.stlouisfed.org/series/PPIACO
    Explore at:
    jsonAvailable download formats
    Dataset updated
    Nov 25, 2025
    License

    https://fred.stlouisfed.org/legal/#copyright-public-domainhttps://fred.stlouisfed.org/legal/#copyright-public-domain

    Description

    Graph and download economic data for Producer Price Index by Commodity: All Commodities (PPIACO) from Jan 1913 to Sep 2025 about commodities, PPI, inflation, price index, indexes, price, and USA.

  13. Consumer Price Index (CPI)

    • catalog.data.gov
    • datasets.ai
    Updated May 16, 2022
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    Bureau of Labor Statistics (2022). Consumer Price Index (CPI) [Dataset]. https://catalog.data.gov/dataset/consumer-price-index-cpi-ee18b
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    Dataset updated
    May 16, 2022
    Dataset provided by
    Bureau of Labor Statisticshttp://www.bls.gov/
    Description

    The Consumer Price Index (CPI) is a measure of the average change over time in the prices paid by urban consumers for a market basket of consumer goods and services. Indexes are available for the U.S. and various geographic areas. Average price data for select utility, automotive fuel, and food items are also available. Prices for the goods and services used to calculate the CPI are collected in 75 urban areas throughout the country and from about 23,000 retail and service establishments. Data on rents are collected from about 43,000 landlords or tenants. More information and details about the data provided can be found at http://www.bls.gov/cpi

  14. F

    All-Transactions House Price Index for the United States

    • fred.stlouisfed.org
    json
    Updated Nov 25, 2025
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    (2025). All-Transactions House Price Index for the United States [Dataset]. https://fred.stlouisfed.org/series/USSTHPI
    Explore at:
    jsonAvailable download formats
    Dataset updated
    Nov 25, 2025
    License

    https://fred.stlouisfed.org/legal/#copyright-public-domainhttps://fred.stlouisfed.org/legal/#copyright-public-domain

    Area covered
    United States
    Description

    Graph and download economic data for All-Transactions House Price Index for the United States (USSTHPI) from Q1 1975 to Q3 2025 about appraisers, HPI, housing, price index, indexes, price, and USA.

  15. S&P 500 dataset

    • kaggle.com
    zip
    Updated Oct 16, 2021
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    Shannan (2021). S&P 500 dataset [Dataset]. https://www.kaggle.com/datasets/shannanl/sp500-dataset/data
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    zip(146585483 bytes)Available download formats
    Dataset updated
    Oct 16, 2021
    Authors
    Shannan
    License

    https://creativecommons.org/publicdomain/zero/1.0/https://creativecommons.org/publicdomain/zero/1.0/

    Description

    Context

    There weren't any data sets like this for me to perform an analysis on the S&P 500 index, so I decided to create one for myself and others to use.

    Content

    The rows of the data are daily periods from January 3, 2021 - October 15, 2021. The columns of the data are formatted in with the following naming convention: - tickername_high = the high price of the stock - tickername_low = the low price of the stock - tickername_open = the opening price of the stock - tickername_volume = the trading volume of the stock - tickername_close = the raw closing price of the stock - tickername_ adj _close = the adjusted closing price of the stock

    For example MMM_high is a column containing data on the high prices of of the stock of 3M.

    The data was acquired form Yahoo Finance.

    Acknowledgements

    The method I implemented for collecting the data was inspired by Sentdex's Python Programming for Finance series on Youtube. The first video can be found at this link: https://www.youtube.com/watch?v=2BrpKpWwT2A

  16. BIS prices and cost indices

    • gov.uk
    Updated Dec 17, 2012
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    Department for Business, Innovation & Skills (2012). BIS prices and cost indices [Dataset]. https://www.gov.uk/government/statistics/bis-prices-and-cost-indices
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    Dataset updated
    Dec 17, 2012
    Dataset provided by
    GOV.UKhttp://gov.uk/
    Authors
    Department for Business, Innovation & Skills
    Description

    BIS prices and cost indices

    The quarterly BIS construction price and cost indices (PCIs) are a basic ‘tool of trade’ to anyone involved in estimating, cost checking and fee negotiation on public sector construction works. The PCIs are published as an online service by the Building Cost Information Service (BCIS) under contract to BIS.

    The publication provides comprehensive public sector construction price and cost information in Great Britain, comprising the following indices:

    • Tender Price Index (TPI) of Public Sector Building Non-housing, Social Housing Building and Road Construction.
    • Resource Cost Indices for Buildings, Roads, Infrastructure, and Building Maintenance.
    • Output price indices (OPIs) for construction sectors.
    • Output price indices for direct labour.
    • Location and function studies.

    The latest Quarterly Price and Cost Indices are comprised of the Tender Price Indices, Resource Cost Indices and Output Price Indices. The indices are accompanied by a commentary.

    The indices are also available through the http://www.bcis.co.uk/site/scripts/retail_product_browse.aspx?product_id=770&category_id=11">BCIS website at a charge of £115 + VAT (annual subscription), where further complementary Cost Indices and other construction data are available.

    The All New Construction Output Price Index is available quarterly in Table 3.7 of the http://www.ons.gov.uk/ons/publications/all-releases.html?definition=tcm%3A77-26495">Monthly Digest of Statistics while the Tender Price Indices, Output Price Indices and Resource Cost Indices are available annually in chapters 4 and 5 of the http://www.ons.gov.uk/ons/publications/all-releases.html?definition=tcm%3A77-21528">Construction Statistics Annual.

    The United Kingdom Statistics Authority has designated these statistics as National Statistics, in accordance with the Statistics and Registration Service Act 2007 and signifying compliance with the Code of Practice for Official Statistics.

    Designation can be broadly interpreted to mean that the statistics:

    • meet identified user needs;
    • are well explained and readily accessible;
    • are produced according to sound methods, and
    • are managed impartially and objectively in the public interest.

    Once statistics have been designated as National Statistics it is a statutory requirement that the Code of Practice shall continue to be observed.

    BIS and BCIS have published methodology notes for each set of BIS Construction and Price Indices:

    BIS and BCIS have also published:

    In 2008 BIS commissioned Davis Langdon LLP to undertake a review of the PCIs (DOC, 637 Kb) in order to provide an assessment of the reasons for government funding of the indices. The BIS response to this review gives the department’s response to the recommendations (DOC, 32 Kb) .

    The Branch previously published the following related publications:

    • Price Adjustment Formulae Indices online
    • MTC Updating Percentages online

    These publications are no longer under contract to BIS, but continue to be available through subscription from the http://www.bcis.co.uk/site/index.aspx">BCIS website.

    BIS is conducting a survey on how construction Price and Cost Indices are used and which aspects are most important to users. The results will help us to improve the indices and inform the retendering process when the current contract with BCIS comes to an end. If you are a user of construction PCIs, then please take the time to let us know your https://www.surveymonkey.com/s/G8CT2Wz">views.

    For more information about the BIS Price and Cost Indices please contact BCIS.

  17. w

    Monthly food price estimates by product and market - Afghanistan, Armenia,...

    • microdata.worldbank.org
    Updated Nov 26, 2025
    + more versions
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    Bo Pieter Johannes Andrée (2025). Monthly food price estimates by product and market - Afghanistan, Armenia, Burundi...and 33 more [Dataset]. https://microdata.worldbank.org/index.php/catalog/4483
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    Dataset updated
    Nov 26, 2025
    Dataset authored and provided by
    Bo Pieter Johannes Andrée
    Time period covered
    2007 - 2025
    Area covered
    Burundi
    Description

    Abstract

    Food price inflation is an important metric to inform economic policy but traditional sources of consumer prices are often produced with delay during crises and only at an aggregate level. This may poorly reflect the actual price trends in rural or poverty-stricken areas, where large populations reside in fragile situations. This data set includes food price estimates and is intended to help gain insight in price developments beyond what can be formally measured by traditional methods. The estimates are generated using a machine-learning approach that imputes ongoing subnational price surveys, often with accuracy similar to direct measurement of prices. The data set provides new opportunities to investigate local price dynamics in areas where populations are sensitive to localized price shocks and where traditional data are not available.

            A dataset of monthly food price inflation estimates (aggregated for all food products available in the data) is also available for all countries covered by this modeling exercise.
    

    Geographic coverage notes

    The data cover the following sub-national areas: Badakhshan, Badghis, Baghlan, Balkh, Bamyan, Daykundi, Farah, Faryab, Paktya, Ghazni, Ghor, Hilmand, Hirat, Nangarhar, Jawzjan, Kabul, Kandahar, Kapisa, Khost, Kunar, Kunduz, Laghman, Logar, Wardak, Nimroz, Nuristan, Paktika, Panjsher, Parwan, Samangan, Sar-e-pul, Takhar, Uruzgan, Zabul, Market Average, Armavir, Ararat, Aragatsotn, Tavush, Gegharkunik, Shirak, Kotayk, Syunik, Lori, Vayotz Dzor, Yerevan, Kayanza, Ruyigi, Bubanza, Karuzi, Bujumbura Mairie, Muramvya, Gitega, Rumonge, Bururi, Kirundo, Cankuzo, Cibitoke, Muyinga, Rutana, Bujumbura Rural, Makamba, Ngozi, Mwaro, SAHEL, CASCADES, SUD-OUEST, EST, BOUCLE DU MOUHOUN, CENTRE-NORD, PLATEAU-CENTRAL, HAUTS-BASSINS, CENTRE, NORD, CENTRE-SUD, CENTRE-OUEST, CENTRE-EST, Khulna, Chittagong, Barisal, Rajshahi, Dhaka, Rangpur, Sylhet, Mymensingh, Ouaka, Mbomou, Bangui, Nana-Mambéré, Ouham, Sangha-Mbaéré, Ombella M'Poko, Mambéré-Kadéï, Vakaga, Ouham Pendé, Lobaye, Haute-Kotto, Kémo, Nana-Gribizi, Bamingui-Bangoran, Haut-Mbomou, Nord, Extrême-Nord, Ouest, Nord-Ouest, Adamaoua, Sud-Ouest, Est, Littoral, Centre, Haut-Uele, Nord-Kivu, Ituri, Tshopo, Kwilu, Kasai, Sud-Kivu, Kongo-Central, Nord-Ubangi, Sud-Ubangi, Kasai-Central, Bas-Uele, Tanganyika, Lualaba, Kasai-Oriental, Kwango, Haut-Lomami, Haut-Katanga, Maniema, Kinshasa, Mai-Ndombe, Equateur, Lomami, Likouala, Brazzaville, Point-Noire, Pool, Bouenza, Cuvette, Lekoumou, Nzerekore, Boke, Kindia, Kankan, Faranah, Mamou, Labe, Kanifing Municipal Council, Central River, Upper River, West Coast, North Bank, Lower River, Bafata, Tombali, Cacheu, Sector Autonomo De Bissau, Biombo, Oio, Gabu, Bolama, Quinara, North, South, Artibonite, South-East, Grande'Anse, North-East, West, North-West, SULAWESI UTARA, SUMATERA UTARA, KALIMANTAN UTARA, JAWA BARAT, NUSA TENGGARA BARAT, NUSA TENGGARA TIMUR, SULAWESI SELATAN, JAMBI, JAWA TIMUR, KALIMANTAN SELATAN, BALI, BANTEN, JAWA TENGAH, RIAU, SUMATERA BARAT, KEPULAUAN RIAU, PAPUA, SULAWESI BARAT, BENGKULU, MALUKU UTARA, DAERAH ISTIMEWA YOGYAKARTA, KALIMANTAN BARAT, KALIMANTAN TENGAH, PAPUA BARAT, SUMATERA SELATAN, MALUKU, KEPULAUAN BANGKA BELITUNG, ACEH, DKI JAKARTA, SULAWESI TENGGARA, KALIMANTAN TIMUR, LAMPUNG, GORONTALO, SULAWESI TENGAH, Anbar, Babil, Baghdad, Basrah, Diyala, Dahuk, Erbil, Ninewa, Kerbala, Kirkuk, Missan, Muthanna, Najaf, Qadissiya, Salah al-Din, Sulaymaniyah, Thi-Qar, Wassit, North Eastern, Rift Valley, Coast, Eastern, Nairobi, , Central, Nyanza, Attapeu, Louangnamtha, Champasack, Bokeo, Bolikhamxai, Khammouan, Oudomxai, Phongsaly, Vientiane, Xiengkhouang, Louangphabang, Salavan, Savannakhet, Sekong, Vientiane Capital, Houaphan, Xaignabouly, Akkar, Mount Lebanon, Baalbek-El Hermel, Beirut, Bekaa, El Nabatieh, Nimba, Grand Kru, Grand Cape Mount, Gbarpolu, Grand Bassa, Rivercess, Montserrado, River Gee, Lofa, Bomi, Bong, Sinoe, Maryland, Margibi, Grand Gedeh, East, North Central, Uva, Western, Sabaragamuwa, Southern, Northern, North Western, Kidal, Gao, Tombouctou, Bamako, Kayes, Koulikoro, Mopti, Segou, Sikasso, Yangon, Rakhine, Shan (North), Kayin, Kachin, Shan (South), Mon, Tanintharyi, Mandalay, Sagaing, Kayah, Shan (East), Chin, Magway, Bago (East), Zambezia, Cabo_Delgado, Tete, Manica, Sofala, Maputo, Gaza, Niassa, Inhambane, Maputo City, Nampula, Hodh Ech Chargi, Hodh El Gharbi, Brakna, Adrar, Assaba, Guidimakha, Gorgol, Trarza, Tagant, Dakhlet-Nouadhibou, Nouakchott, Tiris-Zemmour, Central Region, Southern Region, Northern Region, Tillaberi, Tahoua, Agadez, Zinder, Dosso, Niamey, Maradi, Diffa, Abia, Borno, Yobe, Katsina, Kano, Kaduna, Gombe, Adamawa, Jigawa, Kebbi, Oyo, Sokoto, Zamfara, Lagos, Cordillera Administrative region, Region XIII, Region VI, Region V, Region III, Autonomous region in Muslim Mindanao, Region IV-A, Region VIII, Region VII, Region X, Region II, Region IV-B, Region XII, Region XI, Region I, National Capital region, Region IX, North Darfur, Blue Nile, Nile, Eastern Darfur, West Kordofan, Gedaref, West Darfur, North Kordofan, South Kordofan, Kassala, Khartoum, White Nile, South Darfur, Red Sea, Sennar, Al Gezira, Central Darfur, Tambacounda, Diourbel, Ziguinchor, Kaffrine, Dakar, Saint Louis, Fatick, Kolda, Louga, Kaolack, Kedougou, Matam, Thies, Sedhiou, Shabelle Hoose, Juba Hoose, Bay, Banadir, Shabelle Dhexe, Gedo, Hiraan, Woqooyi Galbeed, Awdal, Bari, Juba Dhexe, Togdheer, Nugaal, Galgaduud, Bakool, Sanaag, Mudug, Sool, Warrap, Unity, Jonglei, Northern Bahr el Ghazal, Upper Nile, Eastern Equatoria, Central Equatoria, Western Bahr el Ghazal, Western Equatoria, Lakes, Aleppo, Dar'a, Quneitra, Homs, Deir-ez-Zor, Damascus, Ar-Raqqa, Al-Hasakeh, Hama, As-Sweida, Rural Damascus, Tartous, Idleb, Lattakia, Ouaddai, Salamat, Wadi Fira, Sila, Ennedi Est, Batha, Tibesti, Logone Oriental, Logone Occidental, Guera, Hadjer Lamis, Lac, Mayo Kebbi Est, Chari Baguirmi, Ennedi Ouest, Borkou, Tandjile, Mandoul, Moyen Chari, Mayo Kebbi Ouest, Kanem, Barh El Gazal, Ndjaména, Al Dhale'e, Aden, Al Bayda, Al Maharah, Lahj, Al Jawf, Raymah, Al Hudaydah, Hajjah, Amran, Shabwah, Dhamar, Ibb, Sana'a, Al Mahwit, Marib, Hadramaut, Sa'ada, Amanat Al Asimah, Socotra, Taizz, Abyan

  18. Monthly development Dow Jones Industrial Average Index 2018-2025

    • statista.com
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    Statista, Monthly development Dow Jones Industrial Average Index 2018-2025 [Dataset]. https://www.statista.com/statistics/261690/monthly-performance-of-djia-index/
    Explore at:
    Dataset authored and provided by
    Statistahttp://statista.com/
    Time period covered
    Jan 2018 - Jun 2025
    Area covered
    United States
    Description

    The value of the DJIA index amounted to ****** at the end of June 2025, up from ********* at the end of March 2020. Global panic about the coronavirus epidemic caused the drop in March 2020, which was the worst drop since the collapse of Lehman Brothers in 2008. Dow Jones Industrial Average index – additional information The Dow Jones Industrial Average index is a price-weighted average of 30 of the largest American publicly traded companies on New York Stock Exchange and NASDAQ, and includes companies like Goldman Sachs, IBM and Walt Disney. This index is considered to be a barometer of the state of the American economy. DJIA index was created in 1986 by Charles Dow. Along with the NASDAQ 100 and S&P 500 indices, it is amongst the most well-known and used stock indexes in the world. The year that the 2018 financial crisis unfolded was one of the worst years of the Dow. It was also in 2008 that some of the largest ever recorded losses of the Dow Jones Index based on single-day points were registered. On September 29, 2008, for instance, the Dow had a loss of ****** points, one of the largest single-day losses of all times. The best years in the history of the index still are 1915, when the index value increased by ***** percent in one year, and 1933, year when the index registered a growth of ***** percent.

  19. Producer prices in industry, total - monthly data

    • ec.europa.eu
    Updated Oct 10, 2025
    + more versions
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    Eurostat (2025). Producer prices in industry, total - monthly data [Dataset]. http://doi.org/10.2908/STS_INPP_M
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    tsv, application/vnd.sdmx.data+csv;version=1.0.0, application/vnd.sdmx.data+csv;version=2.0.0, application/vnd.sdmx.genericdata+xml;version=2.1, json, application/vnd.sdmx.data+xml;version=3.0.0Available download formats
    Dataset updated
    Oct 10, 2025
    Dataset authored and provided by
    Eurostathttps://ec.europa.eu/eurostat
    License

    Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
    License information was derived automatically

    Time period covered
    Jan 1976 - Oct 2025
    Area covered
    Greece, Euro area – 20 countries (from 2023), Spain, Portugal, Denmark, Hungary, Switzerland, Croatia, Lithuania, Cyprus
    Description

    Short-term business statistics (STS) give information on a wide range of economic activities. All STS data are index data. Additionally, annual absolute values are released for building permits indicators. Percentage changes are also available for each indicator: Infra-annual percentage changes - changes between two consecutive months or quarters - are calculated on the basis of non-adjusted data (prices) or calendar and seasonally adjusted data (volume and value indicators) and year-on-year changes - comparing a period to the same period one year ago - are calculated on the basis of non-adjusted data (prices and employment) or calendar adjusted data (volume and value indicators).

    The index data are generally presented in the following forms:

    • unadjusted
    • calendar adjusted
    • calendar and seasonally adjusted.

    Depending on the EBS Regulation data are accessible as monthly, quarterly and annual data.

    The STS indicators are listed below in five different sectors, reflecting the dissemination of these data in Eurostat’s online database “Eurobase”.

    Based on the national data, Eurostat compiles short-term indicators for the EU and euro area. Among these, a list of indicators, called Principal European Economic Indicators (PEEIs) has been identified by key users as being of primary importance for the conduct of monetary and economic policy of the euro area. The PEEIs contributed by STS are marked with * in the text below.

    The euro indicators are released through Eurostat's website.

    INDUSTRY

    • production (volume)*
    • turnover: Total, Domestic market and Non-domestic market. A further breakdown of the non-domestic turnover into euro area and non-euro area is available for the euro area countries.
    • producer prices (output prices)*: Total, Domestic market and Non-domestic market. A further breakdown of the non-domestic producer prices into euro area and non-euro area is available for the euro area countries.
    • import prices*: Total, euro area market, Non euro area market (euro area countries only)
    • labour input indicators: Number of employees and self-employed persons, Hours worked by employees, Gross wages and salaries

    CONSTRUCTION

    • production (volume)*
    • building permits indicators*: number of dwellings, square meters of useful floor
    • producer (output) prices in construction (if not available, they can be approximated by the construction costs variable)
    • labour input indicators: number of employees and self-employed persons, hours worked by employees, gross wages and salaries

    TRADE

    • volume of sales (deflated turnover)*
    • turnover (value)
    • labour input indicators: number of employees and self-employed persons, hours worked by employees, gross wages and salaries

    SERVICES

    • production (volume)*
    • turnover (in value)
    • labour input indicators: number of employees and self-employed persons, hours worked by employees, gross wages and salaries
    • producer prices (output prices)*

    MARKET ECONOMY

    • total market production (volume)
    • registrations
    • bankruptcies

    National reference metadata of the reporting countries are available in the Annexes to this metadata file.

  20. Halifax house price index 2018-2023, per month

    • statista.com
    Updated Jan 28, 2025
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    Statista (2025). Halifax house price index 2018-2023, per month [Dataset]. https://www.statista.com/statistics/289075/uk-house-market-halifax-house-price-index/
    Explore at:
    Dataset updated
    Jan 28, 2025
    Dataset authored and provided by
    Statistahttp://statista.com/
    Time period covered
    Dec 2018 - Dec 2023
    Area covered
    United Kingdom
    Description

    The Halifax house price index, which was set at 100 in 1992, reached a value of more than 500 over the course of 2022. In December 2023, the index stood at 495.1, which was as slight increase from the same period in 2022. The average house price amounted to about 287,000 British pounds in December 2023. What drives house prices? Average house prices are affected by several factors: Economic growth, unemployment, interest rates and mortgage availability can all affect average prices. A shortage of supply means that the need for housing and, therefore competitive market created will push up house prices, whereas an excess of housing means prices fall to stimulate buyers. One of the main reasons for the decrease in house prices in the second half of 2022 was interest rates rising as a response to inflation. How many house sales occur per year? In the United Kingdom (UK), there are approximately one million residential property transactions annually. On a country level, England constitutes the majority of transactions made.

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Rob Mulla (2025). Zillow Home Value Index (Updated Monthly) [Dataset]. https://www.kaggle.com/datasets/robikscube/zillow-home-value-index
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Zillow Home Value Index (Updated Monthly)

Updated Monthly Pulled from FRED Api

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zip(273663 bytes)Available download formats
Dataset updated
Oct 21, 2025
Authors
Rob Mulla
License

https://creativecommons.org/publicdomain/zero/1.0/https://creativecommons.org/publicdomain/zero/1.0/

Description

Reference: https://www.zillow.com/research/zhvi-methodology/

Official Background

In setting out to create a new home price index, a major problem Zillow sought to overcome in existing indices was their inability to deal with the changing composition of properties sold in one time period versus another time period. Both a median sale price index and a repeat sales index are vulnerable to such biases (see the analysis here for an example of how influential the bias can be). For example, if expensive homes sell at a disproportionately higher rate than less expensive homes in one time period, a median sale price index will characterize this market as experiencing price appreciation relative to the prior period of time even if the true value of homes is unchanged between the two periods.

The ideal home price index would be based off sale prices for the same set of homes in each time period so there was never an issue of the sales mix being different across periods. This approach of using a constant basket of goods is widely used, common examples being a commodity price index and a consumer price index. Unfortunately, unlike commodities and consumer goods, for which we can observe prices in all time periods, we can’t observe prices on the same set of homes in all time periods because not all homes are sold in every time period.

The innovation that Zillow developed in 2005 was a way of approximating this ideal home price index by leveraging the valuations Zillow creates on all homes (called Zestimates). Instead of actual sale prices on every home, the index is created from estimated sale prices on every home. While there is some estimation error associated with each estimated sale price (which we report here), this error is just as likely to be above the actual sale price of a home as below (in statistical terms, this is referred to as minimal systematic error). Because of this fact, the distribution of actual sale prices for homes sold in a given time period looks very similar to the distribution of estimated sale prices for this same set of homes. But, importantly, Zillow has estimated sale prices not just for the homes that sold, but for all homes even if they didn’t sell in that time period. From this data, a comprehensive and robust benchmark of home value trends can be computed which is immune to the changing mix of properties that sell in different periods of time (see Dorsey et al. (2010) for another recent discussion of this approach).

For an in-depth comparison of the Zillow Home Value Index to the Case Shiller Home Price Index, please refer to the Zillow Home Value Index Comparison to Case-Shiller

Each Zillow Home Value Index (ZHVI) is a time series tracking the monthly median home value in a particular geographical region. In general, each ZHVI time series begins in April 1996. We generate the ZHVI at seven geographic levels: neighborhood, ZIP code, city, congressional district, county, metropolitan area, state and the nation.

Underlying Data

Estimated sale prices (Zestimates) are computed based on proprietary statistical and machine learning models. These models begin the estimation process by subdividing all of the homes in United States into micro-regions, or subsets of homes either near one another or similar in physical attributes to one another. Within each micro-region, the models observe recent sale transactions and learn the relative contribution of various home attributes in predicting the sale price. These home attributes include physical facts about the home and land, prior sale transactions, tax assessment information and geographic location. Based on the patterns learned, these models can then estimate sale prices on homes that have not yet sold.

The sale transactions from which the models learn patterns include all full-value, arms-length sales that are not foreclosure resales. The purpose of the Zestimate is to give consumers an indication of the fair value of a home under the assumption that it is sold as a conventional, non-foreclosure sale. Similarly, the purpose of the Zillow Home Value Index is to give consumers insight into the home value trends for homes that are not being sold out of foreclosure status. Zillow research indicates that homes sold as foreclosures have typical discounts relative to non-foreclosure sales of between 20 and 40 percent, depending on the foreclosure saturation of the market. This is not to say that the Zestimate is not influenced by foreclosure resales. Zestimates are, in fact, influenced by foreclosure sales, but the pathway of this influence is through the downward pressure foreclosure sales put on non-foreclosure sale prices. It is the price signal observed in the latter that we are attempting to measure and, in turn, predict with the Zestimate.

Market Segments Within each region, we calculate the ZHVI for various subsets of homes (or mar...

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