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1,044 INDICATORS·15 CATEGORIES·PUBLIC DATA · FRED · U.S. TREASURY·UPDATED 2026-06-18
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1-Year Treasury Constant Maturity Minus Federal Funds Rate

Rates & Curve · FRED/Treasury · T1YFF
MID▲ 3-yr high
What this measures. Series is calculated as the spread between 1-Year Treasury Constant Maturity (BC_1YEAR) and Effective Federal Funds Rate (https://fred.stlouisfed.org/series/DFF). 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…Percent · Daily · Not Seasonally Adjusted
-4.00-2.000.002.00 0.28 % 197019801990200020102020

The latest reading sits at MID relative to this series' own history (16,093 observations) — a statement of where it is in its range, not a forecast. Hover the chart for values; the marked point is the most recent observation.

As of 2026-06-10 · source: FRED / U.S. Treasury · series T1YFF

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