Data sources
Every number on the site comes from a public source. This page lists them with the license each one is published under.
Providers
| Provider | What we use | License |
|---|---|---|
| Robert J. Shiller, Yale University | Monthly S&P Composite prices, dividends and US consumer prices since 1871, and long-term interest rates. | Free online data, attribution |
| U.S. Securities and Exchange Commission (EDGAR) | Financial statements of US-listed companies (XBRL company facts and filings). | Public domain (U.S. government) |
| Wikipedia | The list of current S&P 500 constituents with their sectors. | CC BY-SA 4.0 |
| World Bank — Commodity Markets (Pink Sheet) | Monthly commodity prices since 1960 (the “Pink Sheet”). | CC BY 4.0 |
| World Bank — World Development Indicators | Country statistics: GDP, inflation, population, unemployment, debt, trade, stock market size. | CC BY 4.0 |
| International Monetary Fund | World Economic Outlook: government debt, growth and inflation, including forecasts. | IMF terms: attribution, non-commercial |
| Coin Metrics Community Data | Daily bitcoin and ether prices. | CC BY-NC 4.0 |
| Bank of Russia | Official ruble exchange rates. | Attribution, non-commercial |
| Unicode CLDR | Country names in other languages. | Unicode License v3 |
Datasets
Generated from the data on every update.
| Dataset | Period | Source | License |
|---|---|---|---|
| S&P Composite: price, dividends, CPI (monthly) | 1871-01–2026-10 | shillerdata.com | Free online data, attribution |
| Bitcoin price | 2010-07-18–2026-11-07 | community-api.coinmetrics.io | CC BY-NC 4.0 |
| Aluminum | 1960-01–2026-10 | thedocs.worldbank.org | CC BY 4.0 |
| Crude oil, Brent | 1960-01–2026-10 | thedocs.worldbank.org | CC BY 4.0 |
| Coal, Australia | 1970-01–2026-10 | thedocs.worldbank.org | CC BY 4.0 |
| Cocoa | 1960-01–2026-10 | thedocs.worldbank.org | CC BY 4.0 |
| Coffee, Arabica | 1960-01–2026-10 | thedocs.worldbank.org | CC BY 4.0 |
| Coffee, Robusta | 1960-01–2026-10 | thedocs.worldbank.org | CC BY 4.0 |
| Copper | 1960-01–2026-10 | thedocs.worldbank.org | CC BY 4.0 |
| Cotton, Cotlook A Index | 1960-01–2026-10 | thedocs.worldbank.org | CC BY 4.0 |
| Crude oil, average of Brent, Dubai and WTI | 1960-01–2026-10 | thedocs.worldbank.org | CC BY 4.0 |
| Gold | 1960-01–2026-10 | thedocs.worldbank.org | CC BY 4.0 |
| Iron ore | 1960-01–2026-10 | thedocs.worldbank.org | CC BY 4.0 |
| Maize (corn) | 1960-01–2026-10 | thedocs.worldbank.org | CC BY 4.0 |
| Natural gas, Europe | 1960-01–2026-10 | thedocs.worldbank.org | CC BY 4.0 |
| Natural gas, US | 1960-01–2026-10 | thedocs.worldbank.org | CC BY 4.0 |
| Nickel | 1960-01–2026-10 | thedocs.worldbank.org | CC BY 4.0 |
| Platinum | 1960-01–2026-10 | thedocs.worldbank.org | CC BY 4.0 |
| Rice, Thai 5% broken | 1960-01–2026-10 | thedocs.worldbank.org | CC BY 4.0 |
| Silver | 1960-01–2026-10 | thedocs.worldbank.org | CC BY 4.0 |
| Soybeans | 1960-01–2026-10 | thedocs.worldbank.org | CC BY 4.0 |
| Sugar, world | 1960-01–2026-10 | thedocs.worldbank.org | CC BY 4.0 |
| Tea, average of three auctions | 1960-01–2026-10 | thedocs.worldbank.org | CC BY 4.0 |
| Wheat, US hard red winter | 1960-01–2026-10 | thedocs.worldbank.org | CC BY 4.0 |
| Crude oil, WTI | 1982-01–2026-10 | thedocs.worldbank.org | CC BY 4.0 |
| Ethereum price | 2015-08-08–2026-11-07 | community-api.coinmetrics.io | CC BY-NC 4.0 |
| Euro, Bank of Russia official rate | 1999-01-01–2026-11-07 | cbr.ru | Bank of Russia terms |
| US 10-year Treasury bonds, total return index | 1871-01–2026-10 | shillerdata.com | Free online data, attribution |
| US dollar, Bank of Russia official rate | 1992-07-01–2026-11-07 | cbr.ru | Bank of Russia terms |
| Countries and economies | api.worldbank.org | CC BY 4.0 | |
| General government gross debt | 1980–2031 | imf.org | IMF terms |
| Real GDP growth | 1980–2031 | imf.org | IMF terms |
| Inflation, average consumer prices | 1980–2031 | imf.org | IMF terms |
| Stock market capitalization (listed domestic companies) | 1975–2025 | data.worldbank.org | CC BY 4.0 |
| Stock market capitalization to GDP (listed domestic companies) | 1975–2025 | data.worldbank.org | CC BY 4.0 |
| Consumer price index | 1960–2025 | data.worldbank.org | CC BY 4.0 |
| Inflation, consumer prices | 1960–2025 | data.worldbank.org | CC BY 4.0 |
| Central government debt | 1989–2024 | data.worldbank.org | CC BY 4.0 |
| Exports of goods and services | 1960–2025 | data.worldbank.org | CC BY 4.0 |
| GDP, current US dollars | 1960–2025 | data.worldbank.org | CC BY 4.0 |
| Real GDP growth | 1961–2025 | data.worldbank.org | CC BY 4.0 |
| GDP per capita, current US dollars | 1960–2025 | data.worldbank.org | CC BY 4.0 |
| GDP per capita at purchasing power parity | 1990–2025 | data.worldbank.org | CC BY 4.0 |
| Unemployment rate (ILO modeled estimate) | 1991–2025 | data.worldbank.org | CC BY 4.0 |
| Life expectancy at birth | 1960–2024 | data.worldbank.org | CC BY 4.0 |
| Population | 1960–2025 | data.worldbank.org | CC BY 4.0 |
| S&P 500 constituents | en.wikipedia.org | CC BY-SA 4.0 | |
| Company financial statements (503 companies) | sec.gov | Public domain |