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.
Bank of China seasonality — common questions
What is Bank of China's best month historically?
Historically, December has been Bank of China's strongest month, averaging +3.20% with a 67% win rate over 15 years of data. August has been the weakest at -3.09%.
Is Bank of China seasonal?
Bank of China shows a measurable seasonal pattern: its best and worst months differ by 6.29 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 Bank of China historically perform in August?
Bank of China is currently in August, which has historically averaged -3.09% with a 31% win rate. That has historically been a seasonally weak window.
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