Seasonality

Historical monthly return patterns — is a month reliably strong or weak? Computed from up to a decade of free price history.

Best month

Worst month

Sample

of monthly history

Positive months

of calendar months avg >50% up

Each cell is the close-to-close % return for that calendar month. The bottom Avg row is the mean across all years and the Win% row is how often that month closed green. Seasonality is a historical tendency, not a prediction — small samples and regime changes mean it can break.

Source: Coinbase/Kraken public daily klines, bucketed into UTC calendar months. Free, no key.