Columbia Banking System (COLB) Seasonality
Recurring seasonal patterns for COLB — the calendar windows where Columbia Banking System has historically tended to rise or fall, with the win rate (how often it repeated) and average return for each, based on up to 10 years of price history.
COLB's strongest seasonal patterns
| Seasonal window | Direction | Avg return | Win rate | Hold |
|---|---|---|---|---|
| Oct 16 – Nov 15 | Bullish | +12.23% | 100% | 30d |
| Oct 17 – Nov 16 | Bullish | +11.95% | 100% | 30d |
| Oct 12 – Nov 11 | Bullish | +11.62% | 100% | 30d |
| Oct 13 – Nov 12 | Bullish | +11.55% | 100% | 30d |
| Oct 15 – Nov 14 | Bullish | +11.52% | 100% | 30d |
| Oct 14 – Nov 13 | Bullish | +11.27% | 100% | 30d |
| Oct 24 – Nov 14 | Bullish | +11.07% | 100% | 21d |
| Oct 20 – Nov 10 | Bullish | +10.99% | 100% | 21d |
| Oct 21 – Nov 11 | Bullish | +10.79% | 100% | 21d |
| Oct 25 – Nov 15 | Bullish | +10.75% | 100% | 21d |
| Mar 6 – Apr 5 | Bearish | -10.71% | 100% | 30d |
| Oct 23 – Nov 13 | Bullish | +10.38% | 100% | 21d |
Win rate = how often the pattern repeated in the same direction. Average return = the mean move across all analysed years. Past performance does not guarantee future results.
Explore COLB seasonality in full
See the seasonal curve chart, filter by win rate and return, and track upcoming windows — free during beta.
What is COLB stock seasonality?
Stock seasonality is the tendency of a stock to perform in a similar way during the same period each year. By analysing Columbia Banking System's price history across many years, SeasonalityX identifies recurring calendar windows — exact start and end dates — where COLB has repeatedly risen (bullish) or fallen (bearish). Each pattern is scored by its win rate and average return so you can judge how reliable and how strong it has been.
Seasonality is one input among many — it works best alongside your own research and risk management. Learn more in our guide to seasonal analysis and the tutorials.