Garmin (GRMN) Seasonality
Recurring seasonal patterns for GRMN — the calendar windows where Garmin 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.
GRMN seasonality at a glance
Over the last 10 years, GRMN's strongest seasonal window has been Jun 29 – Jul 19: it ended higher in 10 of 10 years (100% win rate) with an average return of +4.78% across a 20-day hold. On the weak side, GRMN has historically declined between Dec 7 – Dec 17, falling in 8 of 10 years (average -1.76%).
In total, our analysis finds 623 recurring seasonal windows for Garmin — 529 bullish and 94 bearish. The next high-win-rate window, Jul 30 – Aug 29, opens in 3 days. These figures describe historical behaviour only — not a forecast.
GRMN'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 | +5.47% | 90% | +0.03% |
| Completedended 4d ago | Jul 3 – Jul 23 | 20d | +4.42% | 80% | +0.03% |
| Upcomingin 3d | Jul 30 – Aug 29 | 30d | +2.74% | 80% | — |
| Upcomingin 4d | Jul 31 – Aug 10 | 10d | +1.80% | 80% | — |
| Upcomingin 4d | Jul 31 – Aug 20 | 20d | +2.23% | 80% | — |
| Upcomingin 14d | Aug 10 – Aug 30 | 20d | +1.55% | 80% | — |
| Upcomingin 15d | Aug 11 – Aug 31 | 20d | +1.29% | 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 GRMN seasonality in full
See the seasonal curve chart, filter by win rate and return, and track upcoming windows — free during beta.
GRMN seasonality FAQ
What has historically been the best month to buy GRMN stock?
Based on the last 10 years of price data, GRMN's strongest seasonal window starts in June: Jun 29 to Jul 19, which ended higher in 10 of 10 years (100% win rate) with an average return of +4.78%. Past seasonal patterns do not guarantee future performance.
What is GRMN's strongest seasonal pattern?
GRMN's highest-win-rate pattern in our data is the Jun 29 – Jul 19 window (20-day hold): up in 10 of the last 10 years with an average move of +4.78%.
When has GRMN historically performed worst?
GRMN's weakest recurring window has been Dec 7 to Dec 17, declining in 8 of 10 years with an average return of -1.76%.
How reliable are GRMN's seasonal patterns?
Each GRMN pattern is scored by its historical win rate — the share of the last 10 years it repeated in the same direction. GRMN currently shows 623 recurring windows (529 bullish, 94 bearish). Seasonality describes historical tendencies only; it is not a prediction, and past performance does not guarantee future results.
What is GRMN stock seasonality?
Stock seasonality is the tendency of a stock to perform in a similar way during the same period each year. By analysing Garmin's price history across many years, SeasonalityX identifies recurring calendar windows — exact start and end dates — where GRMN 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.