Steris (STE) Seasonality
Recurring seasonal patterns for STE — the calendar windows where Steris 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.
STE seasonality at a glance
Over the last 10 years, STE's strongest seasonal window has been Jul 9 – Aug 8: it ended higher in 10 of 10 years (100% win rate) with an average return of +4.34% across a 30-day hold. On the weak side, STE has historically declined between Sep 22 – Oct 2, falling in 8 of 10 years (average -2.08%).
In total, our analysis finds 592 recurring seasonal windows for Steris — 466 bullish and 126 bearish. The next high-win-rate window, Sep 22 – Oct 2, opens in 11 days. These figures describe historical behaviour only — not a forecast.
STE'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 25d ago | Jul 18 – Aug 17 | 30d | +3.41% | 80% | +5.47% |
| Completedended 26d ago | Jul 17 – Aug 16 | 30d | +3.26% | 80% | +7.09% |
| Upcomingin 11d | Sep 22 – Oct 2 | 10d | -2.08% | 80% | — |
| Upcomingin 33d | Oct 14 – Nov 3 | 20d | -1.38% | 80% | — |
| Upcomingin 34d | Oct 15 – Nov 4 | 20d | -1.24% | 80% | — |
| Upcomingin 54d | Nov 4 – Nov 24 | 20d | +3.14% | 80% | — |
| Upcomingin 55d | Nov 5 – Nov 25 | 20d | +2.67% | 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 STE seasonality in full
See the seasonal curve chart, filter by win rate and return, and track upcoming windows — free during beta.
STE seasonality FAQ
What has historically been the best month to buy STE stock?
Based on the last 10 years of price data, STE's strongest seasonal window starts in July: Jul 9 to Aug 8, which ended higher in 10 of 10 years (100% win rate) with an average return of +4.34%. Past seasonal patterns do not guarantee future performance.
What is STE's strongest seasonal pattern?
STE's highest-win-rate pattern in our data is the Jul 9 – Aug 8 window (30-day hold): up in 10 of the last 10 years with an average move of +4.34%.
When has STE historically performed worst?
STE's weakest recurring window has been Sep 22 to Oct 2, declining in 8 of 10 years with an average return of -2.08%.
How reliable are STE's seasonal patterns?
Each STE pattern is scored by its historical win rate — the share of the last 10 years it repeated in the same direction. STE currently shows 592 recurring windows (466 bullish, 126 bearish). Seasonality describes historical tendencies only; it is not a prediction, and past performance does not guarantee future results.
What is STE stock seasonality?
Seasonality is the tendency of a stock to perform in a similar way during the same period each year. By analysing Steris's price history across many years, SeasonalityX identifies recurring calendar windows — exact start and end dates — where STE 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.