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.
Phillips 66 seasonality — common questions
What is Phillips 66's best month historically?
Historically, November has been Phillips 66's strongest month, averaging +5.38% with a 71% win rate over 15 years of data. September has been the weakest at -0.62%.
Is Phillips 66 seasonal?
Phillips 66 shows a measurable seasonal pattern: its best and worst months differ by 6.00 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 Phillips 66 historically perform in July?
Phillips 66 is currently in July, which has historically averaged +2.93% with a 73% win rate. That has historically been a seasonally favourable window.
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