Data source · U.S. Department of the Treasury

Daily Treasury Par Real Yield Curve Rates

Official daily Real Constant Maturity Treasury par real yields for TIPS at 5, 7, 10, 20, and 30 years. Treasury estimates the current daily par real curve with a monotone-convex spline using bid-side prices for recently…

FreeAPIFull fileNationalUnited States

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Discount-rate benchmarks

Treasury publishes an official daily TIPS constant-maturity par real-yield curve with observation-date-pinned percent yields at 5, 7, 10, 20, and 30 years. These are real par-yield benchmarks, not inflation rates, breakevens, spot or zero-coupon rates, discount factors, or forecasts.

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Treasury par yield

CoverageNational

The series measures yields on United States Treasury securities and is a U.S. national sovereign-market product, not a provider-location inference.

Access & termsFree

The cited public agency dataset, lookup, download, or API endpoint is directly available without an order, subscription, membership, or payment step. The standing route represented by this source is therefore free; any optional records services outside that route are not part of this classification.

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