Yield curve inversion explained: what it signals about recessions

A yield curve inversion happens when short-term US Treasury securities pay higher yields than long-term ones, reversing the usual pattern in which investors earn more for lending for longer. Because inversions have often come before US recessions, the gap between the 10-year and 2-year Treasury yields is one of the most closely watched recession indicators in financial markets.

The signal is useful but imperfect. In weekly market data, the 3-month Treasury bill yielded more than the 10-year note from late 2022 to late 2024, yet the business cycle chronology kept by the National Bureau of Economic Research still lists April 2020 as its most recent turning point. Research by Federal Reserve economists suggests the curve predicts downturns mainly because it reflects what investors already expect the central bank to do.

What is the yield curve?

The yield curve is a line plotting the yields on government debt across maturities, from bills that mature in weeks to bonds that mature in 30 years. The Treasury Department publishes the official US version every trading day. It is a par yield curve built from indicative bid-side price quotes, not actual trades, that the Federal Reserve Bank of New York collects at or near 3:30 p.m. The inputs are the most recently auctioned 4-, 6-, 8-, 13-, 17-, 26- and 52-week bills; the 2-, 3-, 5-, 7- and 10-year notes; and the 20- and 30-year bonds. Treasury says the rates are usually available by 6 p.m. Eastern time.

In normal conditions the curve slopes upward. Short-term yields stay close to the federal funds rate set by the Fed, while long-term yields reflect where investors expect short-term rates to average over the life of the bond, plus extra compensation, known as the term premium, for the risk of locking money up for years.

What does an inverted yield curve mean?

An inverted curve means the short end yields more than the long end. The usual cause is that investors expect the Fed to cut interest rates in the future, so they accept lower long-term yields today. Expected cuts usually go with an expected slowdown, which is why inversion is read as a warning about growth. A curve that is close to level is called flat; a widening gap between long and short yields is called steepening.

Analysts measure the slope with a spread, the long-term yield minus the short-term yield. A negative spread is an inversion. The 10-year minus 2-year spread, published daily by the St. Louis Fed, is the most widely quoted. The 10-year minus 3-month spread is a common alternative because the 3-month bill tracks the Fed’s policy rate more closely.

Why does an inversion predict recessions?

The record is strong enough that economists have studied it for decades. In a 2018 Fed research note, economists Eric Engstrom and Steven Sharpe wrote that low term spreads have shown statistical power in predicting historical recessions over the following year or so, a body of work that goes back to Campbell Harvey’s 1986 dissertation.

The authors argued that the 10-year minus 2-year spread is not the best gauge. They focused instead on a near-term forward spread: the gap between the implied 3-month bill rate six quarters ahead and today’s 3-month bill yield. They described it as a measure of market expectations for Fed policy. Using quarterly data from 1972 to early 2018, they found that a fall of one standard deviation, about 80 basis points, in that spread raised the estimated probability of a recession within four quarters by 35 percentage points. In the same model, the effect of the 10-year minus 2-year spread was small and not statistically different from zero.

“This does not mean that inversions of the near-term spread cause recessions. Rather, the near-term spread merely reflects something that market analysts already track closely--investors’ expectations for monetary policy over the next several quarters and, by extension, the economic conditions driving those expectations.”

The authors called this a case of reverse causality: the curve forecasts recessions because it captures views that investors have already formed. Longer-term spreads, they wrote, are also moved by other factors that matter little for forecasting recessions, which weakens their signal.

Has the yield curve always been right?

No. The most recent inversion shows how long and uncertain the lead time can be. The chart below uses weekly data for the 3-month bill and the 10-year note. The bill yield rose above the 10-year yield in November 2022 and stayed there in the weekly samples through late November 2024, before the 10-year moved back on top by the end of that year.

The labor market cooled during and after the inversion without tipping into a dated recession. From September 2023 to September 2026, the unemployment rate rose from 3.7 percent to a peak of 4.5 percent in November 2025, then eased to 4.2 percent, according to Labor Department data compiled by the St. Louis Fed.

Two cautions follow. First, recessions are dated after the fact. The NBER defines a recession as starting in the month after a business cycle peak, and it announces turning points with a lag. Second, the length of expansions varies widely: the NBER’s figures put the average postwar expansion, from 1945 to 2020, at 64.2 months and the average contraction at 10.3 months. An inversion therefore says more about the direction of risk than about timing.

What is the yield curve saying now? (As of Nov. 5, 2026)

This section will date. On Nov. 5, 2026, the 10-year minus 2-year spread stood at 0.38 percentage points, or 38 basis points, according to St. Louis Fed data. It has stayed positive since mid-September, ranging from 20 basis points on Sept. 21 to 51 basis points on Oct. 7.

In delayed quotes at the Nov. 5 close, the 13-week bill yielded 3.99 percent, the 5-year note 4.61 percent, the 10-year note 4.84 percent and the 30-year bond 5.25 percent, an upward-sloping curve with the 10-year about 85 basis points above the 3-month bill. The 10-year yield is down from 5.18 percent in the weekly sample for Sept. 21. The 2-year yield was 4.58 percent on Nov. 4, about 70 basis points above the effective federal funds rate of 3.88 percent. By the logic of the Fed research, a 2-year yield well above the policy rate is the opposite of the pattern that has tended to precede recessions, because it does not point to expected rate cuts.

The curve is not the only risk signal, and on Nov. 5 others flashed. Treasury yields fell across maturities as stocks sold off sharply: the 10-year yield dropped about 6 basis points on the day, the S&P 500 fell 4.4 percent, the Nasdaq Composite fell 5.5 percent and the Cboe Volatility Index rose to 28.18 from 16.61. A single day’s moves do not change the shape of the curve, but they are a reminder that it can shift quickly when markets reprice the outlook.

How can investors track recession signals?

• The 10-year minus 2-year Treasury spread, published daily by the St. Louis Fed: a move below zero is the headline inversion signal.
• The 10-year minus 3-month spread, which ties the short end more closely to Fed policy.
• Treasury’s daily par yield curve rates, usually posted by 6 p.m. Eastern time, for the full shape of the curve.
• Fed policy statements and the gap between the 2-year yield and the federal funds rate, which show whether markets expect cuts or hikes.
• The monthly jobs report from the Bureau of Labor Statistics, since a rising unemployment rate tends to confirm or contradict what the curve implies.

No single indicator settles the question. The yield curve is best read as a summary of what bond investors expect from the Fed and the economy. When it inverts, it is worth asking why investors expect rate cuts, and whether data on jobs and spending supports that view.