What this actually is
Normally, lending money for ten years pays more than lending for two, because more can go wrong. When the short rate is higher than the long rate — an inverted curve — the bond market is saying it expects the Fed to be cutting rates soon, which usually means it expects a recession.
Why it matters to a person
Banks make money borrowing short and lending long. An inverted curve compresses that spread, so banks lend less, and less lending means slower business investment and fewer mortgages. The recession signal is not superstition; it is a description of a mechanism.
For scale
Inverted before every US recession since 1955, with one false positive in the mid-1960s. The 2022–24 inversion was the longest on record. The recession, when it has come, has typically arrived six to eighteen months after the curve un-inverts, not while it is inverted.
How to read a release
Reading it
Watch the un-inversion, not the inversion. And watch how it un-inverts: long rates rising (bear steepening) means inflation or deficit fear; short rates falling (bull steepening) means the Fed is easing into trouble.
The mechanism
Inversion has preceded every recession; the un-inversion (bear or bull steepening) is when the damage shows.
What to watch: 2s10s and 3m10y spreads. Arrives continuous; the effect typically lasts months. Impact tier 2 — Directional: Moves the index for days or weeks. Scheduled data releases, policy decisions, global spillovers, and the prices of money and energy. This is the tier most professional attention is spent on.
Its neighbourhood
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What it moves next
Documented transmission: when this moves, these tend to move after it.
What moves it
Dials it feeds
This factor is one input to a composite reading on the Analytics page.