What is the Treasury yield spread?

A Treasury yield spread is the difference in yields between two US government bonds of different maturities. The most widely followed is the 10-year minus 2-year spread (often called the "2s10s"), though analysts also track the 10-year minus 3-month spread and other combinations. Each captures slightly different information about monetary policy expectations, economic growth prospects, and investor sentiment.

In a healthy economy, the yield curve slopes upward and the spread is positive. Investors demand higher yields for longer maturities to compensate for inflation uncertainty and the opportunity cost of locking up capital. When the Federal Reserve tightens aggressively and pushes short-term rates above long-term rates, the spread turns negative. This inversion signals that markets expect current policy is restrictive enough to eventually slow the economy and force rate cuts. Every US recession since the 1960s has been preceded by an inversion of at least one key spread.

The timing signal is imprecise but valuable. On average, a recession follows an inversion by roughly 12 to 18 months, but the range spans from a few months to over two years. The curve can remain inverted for an extended period before a downturn materializes, as happened during 2022 through 2024. Importantly, it is often the re-steepening of the curve, rather than the inversion itself, that coincides with the recession's arrival, as it signals that the Fed has begun cutting in response to emerging weakness.

For market participants, yield spreads inform positioning across asset classes. Banks profit from a steep curve (borrowing short, lending long), so sustained inversion compresses their net interest margins. Credit spreads tend to widen as the yield curve normalizes from inversion because the normalization frequently coincides with deteriorating economic conditions. Tracking yield spreads provides a forward-looking framework for understanding where the economy sits within the business cycle.