Yield Curve Spread Calculator

What Is the Yield Curve and Why Spreads Matter

The U.S. Treasury yield curve plots the interest rates of bonds with different maturities — typically from 1 month to 30 years. Per U.S. Treasury daily yield curve data, the shape of this curve reveals what bond markets expect for future interest rates, inflation, and economic growth. A normal yield curve slopes upward (long-term yields > short-term yields) reflecting term premium and growth expectations. A flat yield curve (short and long yields nearly equal) signals economic uncertainty. An inverted yield curve (short yields above long yields) has preceded every U.S. recession since 1955 — making yield curve spreads one of the most reliable single recession indicators tracked by the Federal Reserve.

2s/10s vs 3M/10Y — Which Spread Is Best?

The 2-year/10-year spread (2s/10s) is the headline metric in financial media — a popular shorthand for curve shape. The 3-month/10-year spread is preferred by Federal Reserve research, including the New York Fed yield curve probability model, because it most directly compares Fed policy rate expectations (3-month) to long-term growth and inflation expectations (10-year). When 3M/10Y inverts (3M yield > 10Y yield), the Fed's recession probability model historically signals 50%+ recession probability within the next 12 months. The 2s/10s typically inverts 6-18 months before recession. The 5s/30s spread reflects long-term inflation expectations and is less reliable as a recession signal.

Reading 2026 Yield Curve Conditions

As of May 2026, U.S. Treasury yields show a partially recovered curve following the 2022-2024 inversion period. Per the Federal Reserve FOMC schedule, the federal funds rate sits at 4.25-4.50% with markets pricing 1-2 additional cuts in 2026. The 2s/10s curve has steepened back to positive territory after multiple cuts in 2025, while 3M/10Y remains modestly positive. Historically, recession typically follows curve re-steepening after inversion, not the inversion itself — the bull steepener pattern (short rates falling faster than long rates as the Fed cuts in response to weakness) is the actual recession trigger. Last updated May 2026.

How Investors Use Yield Spread Signals

Bond investors use yield curve spreads to time duration (long vs short) positioning. Equity investors watch the curve as a recession-leading indicator that often peaks 6-12 months before market peaks — though notably the 2022-2024 inversion did not produce immediate recession, illustrating the curve's variable lead time. Real estate investors track the 10-year Treasury because mortgage rates correlate strongly (~80% R-squared per Freddie Mac PMMS) with the 10-year. Bank stocks suffer during inverted yield curves because banks borrow short and lend long — inversion compresses net interest margin. Use this calculator alongside the dividend yield calculator and a Treasury TIPS spread to triangulate inflation expectations and growth signals.