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Open data

Data library

Open datasets, fully documented — searchable here, and readable by any LLM.

  • FRED (St. Louis Fed)

    Secured Overnight Financing Rate

    • interest-rates
    • fed
    • money-markets
    • sofr
    rows
    2,213
    Quality
    99
    Updated
    Sep 27, 2026
    Fresh
    License
    Commercial use OK
  • FRED (St. Louis Fed)

    Market Yield on U.S. Treasury Securities at 10-Year Constant Maturity, Quoted on an Investment Basis

    H.15 Statistical Release (https://www.federalreserve.gov/releases/h15/current/h15.pdf) notes and Treasury Yield Curve Methodology (https://www.treasury.gov/resource-center/data-chart-center/interest-rates/Pages/yieldmethod.aspx). For questions on the data, please contact the data source (https://www.federalreserve.gov/apps/ContactUs/feedback.aspx?refurl=/releases/h15/%). For questions on FRED functionality, please contact us here (https://fred.stlouisfed.org/contactus/).</p>

    • treasury
    • bonds
    • fred
    rows
    16,883
    Quality
    99
    Updated
    Sep 21, 2026
    Fresh
    License
    Commercial use OK
  • FRED (St. Louis Fed)

    10-Year Treasury Constant Maturity Minus 2-Year Treasury Constant Maturity

    Starting with the update on June 21, 2019, the Treasury bond data used in calculating interest rate spreads is obtained directly from the U.S. Treasury Department (https://www.treasury.gov/resource-center/data-chart-center/interest-rates/Pages/TextView.aspx?data=yield). Series is calculated as the spread between 10-Year Treasury Constant Maturity (BC_10YEAR) and 2-Year Treasury Constant Maturity (BC_2YEAR). Both underlying series are published at the U.S. Treasury Department (https://www.treasu…

    • treasury
    • spread
    • fred
    rows
    13,124
    Quality
    99
    Updated
    Sep 21, 2026
    Fresh
    License
    Commercial use OK
  • FRED (St. Louis Fed)

    UNRATE

    • unemployment
    • labor
    • fred
    rows
    944
    Quality
    100
    Updated
    Sep 21, 2026
    Fresh
    License
    Commercial use OK
  • FRED (St. Louis Fed)

    U.S. Dollars to Euro Spot Exchange Rate

    data source (https://www.federalreserve.gov/apps/ContactUs/feedback.aspx?refurl=/releases/h10/%). For questions on FRED functionality, please contact us here (https://fred.stlouisfed.org/contactus/).</p>

    • forex
    • exchange-rate
    • fred
    rows
    7,225
    Quality
    99
    Updated
    Sep 21, 2026
    Fresh
    License
    Commercial use OK

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