Trading term
What is Santa Claus rally?
The Santa Claus rally is the tendency for stocks to rise over the last five trading days of December and the first two of January.
Yale Hirsch named it in the 1972 Stock Trader's Almanac. It's seven trading days long, and it's measured from the close before the first of them.
Unlike most calendar patterns, it holds up. From 1950 to 2025 the S&P 500 rose in 58 of 76 Santa Claus rallies, with a median gain of 1.2%. That made it the best 7-day stretch of the year, and a shuffle test shows luck rarely produces a week that good.
For example
The rally missed in 2023, 2024 and 2025, its first three-year losing run since 1950. The S&P 500 still rose 23% in 2024 and 16% in 2025.
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Explore Premium →Why it matters to you
It's one of the few calendar effects that passes a luck test. But it's small, it has weakened since the late 1980s, and a missed rally hasn't been a reliable warning of a bad year.
⚠ Reading a miss as a sell signal
The Almanac's rhyme says bears follow a missed rally. After 17 misses with a known next year, the S&P 500 still rose the following year 12 times.