These figures are computed from 15 years of actual monthly closing prices. Past seasonal patterns are not a guarantee of future performance. See our methodology for how this is calculated, or visit the Academy to learn how to read seasonal data responsibly.
NASDAQ Composite seasonality — common questions
What is NASDAQ Composite's best month historically?
Historically, November has been NASDAQ Composite's strongest month, averaging +3.22% with a 87% win rate over 15 years of data. September has been the weakest at -1.18%.
Is NASDAQ Composite seasonal?
NASDAQ Composite shows a measurable seasonal pattern: its best and worst months differ by 4.40 percentage points on average. These figures come from 15 years of real monthly closing prices. Seasonality is a historical tendency, not a prediction.
How does NASDAQ Composite historically perform in October?
NASDAQ Composite is currently in October, which has historically averaged +1.93% with a 63% win rate. That has historically been a seasonally favourable window.
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