OSI Systems, Inc. (OSIS) Seasonality
Recurring seasonal patterns for OSIS — the calendar windows where OSI 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 10 years of price history.
OSIS seasonality at a glance
Over the last 10 years, OSIS's strongest seasonal window has been May 7 – Jun 6: it ended higher in 10 of 10 years (100% win rate) with an average return of +5.97% across a 30-day hold. On the weak side, OSIS has historically declined between Aug 31 – Sep 10, falling in 9 of 10 years (average -3.53%).
In total, our analysis finds 688 recurring seasonal windows for OSI Systems, Inc. — 474 bullish and 214 bearish. The next high-win-rate window, Sep 25 – Oct 5, opens in 14 days. These figures describe historical behaviour only — not a forecast.
OSIS'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 1d ago | Aug 31 – Sep 10 | 10d | -3.53% | 90% | -3.20% |
| Completedended 2d ago | Aug 30 – Sep 9 | 10d | -3.12% | 90% | -4.43% |
| Upcomingin 14d | Sep 25 – Oct 5 | 10d | +1.56% | 80% | — |
| Upcomingin 15d | Sep 26 – Oct 6 | 10d | +2.03% | 80% | — |
| Upcomingin 19d | Sep 30 – Oct 30 | 30d | -1.70% | 80% | — |
| Upcomingin 28d | Oct 9 – Oct 19 | 10d | -1.25% | 90% | — |
| Upcomingin 33d | Oct 14 – Nov 13 | 30d | +5.27% | 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 OSIS seasonality in full
See the seasonal curve chart, filter by win rate and return, and track upcoming windows — free during beta.
OSIS seasonality FAQ
What has historically been the best month to buy OSIS stock?
Based on the last 10 years of price data, OSIS's strongest seasonal window starts in May: May 7 to Jun 6, which ended higher in 10 of 10 years (100% win rate) with an average return of +5.97%. Past seasonal patterns do not guarantee future performance.
What is OSIS's strongest seasonal pattern?
OSIS's highest-win-rate pattern in our data is the May 7 – Jun 6 window (30-day hold): up in 10 of the last 10 years with an average move of +5.97%.
When has OSIS historically performed worst?
OSIS's weakest recurring window has been Aug 31 to Sep 10, declining in 9 of 10 years with an average return of -3.53%.
How reliable are OSIS's seasonal patterns?
Each OSIS pattern is scored by its historical win rate — the share of the last 10 years it repeated in the same direction. OSIS currently shows 688 recurring windows (474 bullish, 214 bearish). Seasonality describes historical tendencies only; it is not a prediction, and past performance does not guarantee future results.
What is OSIS stock seasonality?
Seasonality is the tendency of a stock to perform in a similar way during the same period each year. By analysing OSI Systems, Inc.'s price history across many years, SeasonalityX identifies recurring calendar windows — exact start and end dates — where OSIS 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.