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.
O'Reilly Automotive seasonality — common questions
What is O'Reilly Automotive's best month historically?
Historically, November has been O'Reilly Automotive's strongest month, averaging +4.35% with a 93% win rate over 15 years of data. May has been the weakest at -1.05%.
Is O'Reilly Automotive seasonal?
O'Reilly Automotive shows a measurable seasonal pattern: its best and worst months differ by 5.40 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 O'Reilly Automotive historically perform in July?
O'Reilly Automotive is currently in July, which has historically averaged +3.99% with a 69% win rate. That has historically been a seasonally favourable window.
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