Treasury Yields

What is a Treasury yield?

A Treasury yield is the annualized return implied by the price and cash flows of a U.S. Treasury security. Treasury bills mature in one year or less and are generally sold at a discount, while notes and bonds pay coupon interest and mature over longer periods. Treasury Inflation-Protected Securities adjust principal for inflation, and floating-rate notes reset their interest payments from a short-term benchmark.

The coupon rate, market price, and yield are different concepts. A note can keep the same coupon for its life while its market price and yield change every trading day. TreasuryDirect's pricing guide explains that a note or bond trades below par when its yield to maturity exceeds its coupon rate and above par when the yield is lower than the coupon.

Why do Treasury prices and yields move in opposite directions?

The promised dollar payments on an existing fixed-rate Treasury do not rise when market interest rates rise. Its price must fall until those fixed payments offer a competitive return to a new buyer. When market rates fall, the older security's payments become more attractive and its price can rise. This inverse relationship is stronger for securities with greater duration, which is why long-maturity bonds usually move more for the same change in yield.

Which Treasury yield matters?

The answer depends on the question. Three-month and two-year yields are sensitive to the expected path of Federal Reserve policy. The 10-year yield is widely used as a reference for mortgages, corporate finance, and equity valuation. The 30-year yield also reflects very long-run inflation, growth, supply, and term-premium expectations. The U.S. Treasury's daily yield-curve table publishes comparable maturity points, but those par yields are reference estimates rather than a promise that every investor can transact at that exact rate.

A yield curve compares yields across maturities. An inverted curve means shorter yields exceed longer yields. That pattern can indicate restrictive policy and expected future slowing, but it is not a timer that predicts the exact start of a recession. Supply, safe-haven demand, central-bank holdings, inflation expectations, and term premium can all reshape the curve.

Nominal yields, real yields, and inflation expectations

A nominal Treasury yield includes compensation for expected inflation. A real yield, commonly inferred from TIPS, aims to measure the return above inflation. The difference between comparable nominal and real yields is called breakeven inflation. It is a market-based signal, not a pure forecast: liquidity and risk premiums can also affect the spread.

How do Treasury yields affect stocks?

Treasury yields influence the discount rates used to value future cash flows and the return investors can earn on lower-credit-risk assets. Rising real yields can pressure high-valuation, long-duration stocks because distant earnings are discounted more heavily. Banks, insurers, utilities, real estate, and heavily indebted companies can respond differently depending on the curve, funding structure, regulation, and growth outlook.

The direction alone is not enough. Yields rising because growth expectations improve can have different equity effects from yields rising because inflation or fiscal-risk compensation increases. Likewise, falling yields can help valuation multiples or warn that investors expect weaker demand. Always identify why the yield moved before applying a market narrative.