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.
Schlumberger seasonality — common questions
What is Schlumberger's best month historically?
Historically, January has been Schlumberger's strongest month, averaging +6.55% with a 69% win rate over 15 years of data. September has been the weakest at -4.00%.
Is Schlumberger seasonal?
Schlumberger shows a measurable seasonal pattern: its best and worst months differ by 10.55 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 Schlumberger historically perform in October?
Schlumberger is currently in October, which has historically averaged +3.30% with a 44% win rate. That is a historically neutral window.
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