Glacier Bancorp (GBCI) Seasonality
Recurring seasonal patterns for GBCI — the calendar windows where Glacier Bancorp has historically tended to rise or fall, with the win rate (how often it repeated) and average return for each, based on the last 10 years of price history.
GBCI seasonality at a glance
Over the last 10 years, GBCI's strongest seasonal window has been Oct 30 – Nov 29: it ended higher in 10 of 10 years (100% win rate) with an average return of +8.68% across a 30-day hold. On the weak side, GBCI has historically declined between Mar 5 – Apr 4, falling in 10 of 10 years (average -7.40%).
In total, our analysis finds 742 recurring seasonal windows for Glacier Bancorp — 462 bullish and 280 bearish. The next high-win-rate window, Aug 24 – Sep 13, opens in 28 days. These figures describe historical behaviour only — not a forecast.
GBCI's upcoming & recent seasonal patterns
Holding period:10-day20-day30-dayOrdered by season — windows opening soon first, plus a couple of recently completed high-performers. Holding-period colors help you compare durations at a glance.
| Status | Seasonal window | Hold | Avg return | Win rate | This year |
|---|---|---|---|---|---|
| Completedended 3d ago | Jun 24 – Jul 24 | 30d | +5.69% | 80% | +1.27% |
| Completedended 4d ago | Jun 23 – Jul 23 | 30d | +5.74% | 80% | +2.68% |
| Upcomingin 28d | Aug 24 – Sep 13 | 20d | -1.76% | 80% | — |
| Upcomingin 30d | Aug 26 – Sep 15 | 20d | -1.40% | 80% | — |
| Upcomingin 31d | Aug 27 – Sep 16 | 20d | -1.78% | 80% | — |
| Upcomingin 32d | Aug 28 – Sep 17 | 20d | -2.31% | 90% | — |
| Upcomingin 37d | Sep 2 – Oct 2 | 30d | -1.37% | 80% | — |
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 GBCI seasonality in full
See the seasonal curve chart, filter by win rate and return, and track upcoming windows — free during beta.
GBCI seasonality FAQ
What has historically been the best month to buy GBCI stock?
Based on the last 10 years of price data, GBCI's strongest seasonal window starts in October: Oct 30 to Nov 29, which ended higher in 10 of 10 years (100% win rate) with an average return of +8.68%. Past seasonal patterns do not guarantee future performance.
What is GBCI's strongest seasonal pattern?
GBCI's highest-win-rate pattern in our data is the Oct 30 – Nov 29 window (30-day hold): up in 10 of the last 10 years with an average move of +8.68%.
When has GBCI historically performed worst?
GBCI's weakest recurring window has been Mar 5 to Apr 4, declining in 10 of 10 years with an average return of -7.40%.
How reliable are GBCI's seasonal patterns?
Each GBCI pattern is scored by its historical win rate — the share of the last 10 years it repeated in the same direction. GBCI currently shows 742 recurring windows (462 bullish, 280 bearish). Seasonality describes historical tendencies only; it is not a prediction, and past performance does not guarantee future results.
What is GBCI stock seasonality?
Stock seasonality is the tendency of a stock to perform in a similar way during the same period each year. By analysing Glacier Bancorp's price history across many years, SeasonalityX identifies recurring calendar windows — exact start and end dates — where GBCI 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.