The Greenbrier Companies, Inc. (GBX) Seasonality
Recurring seasonal patterns for GBX — the calendar windows where The Greenbrier Companies, Inc. 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.
GBX seasonality at a glance
Over the last 10 years, GBX's strongest seasonal window has been Oct 29 – Nov 8: it ended higher in 10 of 10 years (100% win rate) with an average return of +5.39% across a 10-day hold. On the weak side, GBX has historically declined between Mar 3 – Mar 23, falling in 9 of 10 years (average -7.56%).
In total, our analysis finds 881 recurring seasonal windows for The Greenbrier Companies, Inc. — 585 bullish and 296 bearish. The next high-win-rate window, Aug 12 – Sep 1, opens in 16 days. These figures describe historical behaviour only — not a forecast.
GBX'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 | Jul 14 – Jul 24 | 10d | +2.68% | 80% | +9.65% |
| Completedended 4d ago | Jul 13 – Jul 23 | 10d | +2.75% | 80% | +7.76% |
| Upcomingin 16d | Aug 12 – Sep 1 | 20d | -2.20% | 80% | — |
| Upcomingin 18d | Aug 14 – Sep 3 | 20d | -2.64% | 80% | — |
| Upcomingin 33d | Aug 29 – Sep 8 | 10d | -1.64% | 80% | — |
| Upcomingin 44d | Sep 9 – Sep 29 | 20d | +4.12% | 90% | — |
| Upcomingin 44d | Sep 9 – Oct 9 | 30d | +6.19% | 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 GBX seasonality in full
See the seasonal curve chart, filter by win rate and return, and track upcoming windows — free during beta.
GBX seasonality FAQ
What has historically been the best month to buy GBX stock?
Based on the last 10 years of price data, GBX's strongest seasonal window starts in October: Oct 29 to Nov 8, which ended higher in 10 of 10 years (100% win rate) with an average return of +5.39%. Past seasonal patterns do not guarantee future performance.
What is GBX's strongest seasonal pattern?
GBX's highest-win-rate pattern in our data is the Oct 29 – Nov 8 window (10-day hold): up in 10 of the last 10 years with an average move of +5.39%.
When has GBX historically performed worst?
GBX's weakest recurring window has been Mar 3 to Mar 23, declining in 9 of 10 years with an average return of -7.56%.
How reliable are GBX's seasonal patterns?
Each GBX pattern is scored by its historical win rate — the share of the last 10 years it repeated in the same direction. GBX currently shows 881 recurring windows (585 bullish, 296 bearish). Seasonality describes historical tendencies only; it is not a prediction, and past performance does not guarantee future results.
What is GBX stock seasonality?
Stock seasonality is the tendency of a stock to perform in a similar way during the same period each year. By analysing The Greenbrier Companies, Inc.'s price history across many years, SeasonalityX identifies recurring calendar windows — exact start and end dates — where GBX 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.