Inspire Medical Systems, Inc. (INSP) Seasonality
Recurring seasonal patterns for INSP — the calendar windows where Inspire Medical Systems, 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 8 years of price history. Inspire Medical Systems, Inc. has less than 10 years of trading history, so these patterns use all 8 available years.
INSP seasonality at a glance
Over the last 8 years, INSP's strongest seasonal window has been Oct 16 – Nov 5: it ended higher in 8 of 8 years (100% win rate) with an average return of +13.61% across a 20-day hold. On the weak side, INSP has historically declined between Feb 15 – Mar 17, falling in 7 of 7 years (average -9.45%).
In total, our analysis finds 953 recurring seasonal windows for Inspire Medical Systems, Inc. — 659 bullish and 294 bearish. The next high-win-rate window, Sep 9 – Sep 29, opens in 44 days. These figures describe historical behaviour only — not a forecast.
INSP'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 10d ago | Jul 7 – Jul 17 | 10d | +5.50% | 88% | +1.04% |
| Completedended 13d ago | Jul 4 – Jul 14 | 10d | +2.29% | 88% | +4.69% |
| Upcomingin 44d | Sep 9 – Sep 29 | 20d | -7.94% | 88% | — |
| Upcomingin 44d | Sep 9 – Oct 9 | 30d | -9.68% | 88% | — |
| Upcomingin 45d | Sep 10 – Sep 30 | 20d | -6.89% | 88% | — |
| Upcomingin 45d | Sep 10 – Oct 10 | 30d | -9.90% | 88% | — |
| Upcomingin 52d | Sep 17 – Sep 27 | 10d | -4.94% | 88% | — |
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 INSP seasonality in full
See the seasonal curve chart, filter by win rate and return, and track upcoming windows — free during beta.
INSP seasonality FAQ
What has historically been the best month to buy INSP stock?
Based on the last 8 years of price data, INSP's strongest seasonal window starts in October: Oct 16 to Nov 5, which ended higher in 8 of 8 years (100% win rate) with an average return of +13.61%. Past seasonal patterns do not guarantee future performance.
What is INSP's strongest seasonal pattern?
INSP's highest-win-rate pattern in our data is the Oct 16 – Nov 5 window (20-day hold): up in 8 of the last 8 years with an average move of +13.61%.
When has INSP historically performed worst?
INSP's weakest recurring window has been Feb 15 to Mar 17, declining in 7 of 7 years with an average return of -9.45%.
How reliable are INSP's seasonal patterns?
Each INSP pattern is scored by its historical win rate — the share of the last 8 years it repeated in the same direction. INSP currently shows 953 recurring windows (659 bullish, 294 bearish). Seasonality describes historical tendencies only; it is not a prediction, and past performance does not guarantee future results.
What is INSP stock seasonality?
Stock seasonality is the tendency of a stock to perform in a similar way during the same period each year. By analysing Inspire Medical Systems, Inc.'s price history across many years, SeasonalityX identifies recurring calendar windows — exact start and end dates — where INSP 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.