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.
Marathon Petroleum seasonality — common questions
What is Marathon Petroleum's best month historically?
Historically, October has been Marathon Petroleum's strongest month, averaging +5.54% with a 80% win rate over 15 years of data. September has been the weakest at -1.86%.
Is Marathon Petroleum seasonal?
Marathon Petroleum shows a measurable seasonal pattern: its best and worst months differ by 7.40 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 Marathon Petroleum historically perform in July?
Marathon Petroleum is currently in July, which has historically averaged +5.03% with a 94% win rate. That has historically been a seasonally favourable window.
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