Yield Curve Explained: What Treasury Yields Across Maturities Can Signal

The yield curve compares interest rates on debt with different maturities. In U.S. economic analysis, the term often refers to Treasury yields ranging from very short maturities to long-term securities.

How to read the Treasury yield curve

The horizontal axis represents time to maturity; the vertical axis represents yield. The U.S. Treasury publishes daily par yield curve rates at standard maturities, derived from market prices of Treasury securities.

A reader can compare short-term and long-term yields to see whether the curve slopes upward, is relatively flat, or slopes downward.

Normal yield curve

A “normal” or upward-sloping curve means longer-term yields are higher than shorter-term yields. Investors may demand more yield for committing money for longer periods because of inflation uncertainty, interest-rate risk and other factors.

Flat yield curve

A flat curve means short- and long-term yields are relatively close. This can appear during transitions in monetary policy or when investors are uncertain about future growth and inflation.

There is no single numerical definition of “flat”; interpretation depends on which maturities are compared.

Inverted yield curve

An inverted curve occurs when shorter-term yields are higher than some longer-term yields. Historically, certain Treasury spreads have received attention as recession indicators because inversions have sometimes preceded downturns.

That history does not make an inversion a countdown clock. Timing varies, false signals are possible, and other economic information still matters.

Which yield spread should you watch?

Different analysts use different spreads, such as the 10-year Treasury yield minus the 2-year yield or the 10-year yield minus a short-term Treasury rate. The choice matters because different maturities can reflect different parts of the policy and growth outlook.

Always identify the exact maturities rather than saying “the yield curve inverted” without specifying what comparison is being used.

Why Federal Reserve policy affects the front of the curve

The Federal Reserve directly targets the federal funds rate, an overnight rate. Changes in that policy stance strongly influence short-term market rates. Longer-term Treasury yields reflect expected future short rates plus longer-horizon inflation, growth and term-premium considerations.

See How Federal Reserve Rate Changes Affect Consumers.

Why mortgage rates do not equal the 10-year Treasury yield

Mortgage rates can move with longer-term Treasury yields, but they also reflect credit risk, prepayment risk, mortgage-backed-security spreads, lender costs and market conditions. A Treasury yield is therefore not a retail mortgage quote.

Treasury par yields versus actual bond returns

The Treasury par yield curve is an interpolated curve built from market quotations. It is not the return an investor is guaranteed to earn by purchasing any particular Treasury security at any particular price.

For investing basics, see Stocks vs. Bonds.

How to use the yield curve responsibly

Use it as one part of a broader dashboard that includes labor-market conditions, inflation, credit spreads, business activity and monetary policy. Avoid turning one spread into a deterministic prediction.

Sources & methodology

• U.S. Department of the Treasury — Interest Rate Statistics
• Federal Reserve — H.15 Selected Interest Rates

This article provides general economic and fixed-income education, not individualized investment advice. Treasury yields change daily.