Group 1 Automotive, Inc. (GPI) Seasonality
Recurring seasonal patterns for GPI — the calendar windows where Group 1 Automotive, 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.
GPI seasonality at a glance
Over the last 10 years, GPI's strongest seasonal window has been Apr 5 – May 5: it ended higher in 10 of 10 years (100% win rate) with an average return of +12.70% across a 30-day hold. On the weak side, GPI has historically declined between Dec 11 – Dec 21, falling in 9 of 10 years (average -3.26%).
In total, our analysis finds 823 recurring seasonal windows for Group 1 Automotive, Inc. — 622 bullish and 201 bearish. The next high-win-rate window, Jul 28 – Aug 17, opens tomorrow. These figures describe historical behaviour only — not a forecast.
GPI'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 4d ago | Jun 23 – Jul 23 | 30d | +5.54% | 80% | +2.65% |
| Completedended 5d ago | Jun 22 – Jul 22 | 30d | +5.25% | 80% | +4.02% |
| Active20d left | Jul 27 – Aug 16 | 20d | +3.56% | 80% | — |
| Upcomingtomorrow | Jul 28 – Aug 17 | 20d | +2.61% | 80% | — |
| Upcomingin 7d | Aug 3 – Aug 13 | 10d | +3.15% | 80% | — |
| Upcomingin 40d | Sep 5 – Sep 15 | 10d | +1.66% | 80% | — |
| Upcomingin 78d | Oct 13 – Nov 12 | 30d | +7.03% | 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 GPI seasonality in full
See the seasonal curve chart, filter by win rate and return, and track upcoming windows — free during beta.
GPI seasonality FAQ
What has historically been the best month to buy GPI stock?
Based on the last 10 years of price data, GPI's strongest seasonal window starts in April: Apr 5 to May 5, which ended higher in 10 of 10 years (100% win rate) with an average return of +12.70%. Past seasonal patterns do not guarantee future performance.
What is GPI's strongest seasonal pattern?
GPI's highest-win-rate pattern in our data is the Apr 5 – May 5 window (30-day hold): up in 10 of the last 10 years with an average move of +12.70%.
When has GPI historically performed worst?
GPI's weakest recurring window has been Dec 11 to Dec 21, declining in 9 of 10 years with an average return of -3.26%.
How reliable are GPI's seasonal patterns?
Each GPI pattern is scored by its historical win rate — the share of the last 10 years it repeated in the same direction. GPI currently shows 823 recurring windows (622 bullish, 201 bearish). Seasonality describes historical tendencies only; it is not a prediction, and past performance does not guarantee future results.
What is GPI stock seasonality?
Stock seasonality is the tendency of a stock to perform in a similar way during the same period each year. By analysing Group 1 Automotive, Inc.'s price history across many years, SeasonalityX identifies recurring calendar windows — exact start and end dates — where GPI 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.