Select Medical Holdings, Corp. (SEM) Seasonality
Recurring seasonal patterns for SEM — the calendar windows where Select Medical Holdings, Corp. has historically tended to rise or fall, with the win rate (how often it repeated) and average return for each, based on up to 10 years of price history.
SEM's strongest seasonal patterns
| Seasonal window | Direction | Avg return | Win rate | Hold |
|---|---|---|---|---|
| Jun 17 – Jul 17 | Bullish | +5.02% | 90% | 30d |
| May 9 – Jun 8 | Bullish | +4.98% | 90% | 30d |
| Jul 16 – Jul 26 | Bullish | +4.60% | 90% | 10d |
| May 14 – Jun 4 | Bullish | +4.50% | 90% | 21d |
| May 13 – Jun 3 | Bullish | +4.28% | 90% | 21d |
| May 26 – Jun 5 | Bullish | +4.19% | 90% | 10d |
| Jul 15 – Jul 25 | Bullish | +3.91% | 90% | 10d |
| Jul 17 – Jul 27 | Bullish | +3.82% | 90% | 10d |
| Aug 20 – Aug 30 | Bullish | +3.58% | 90% | 10d |
| May 25 – Jun 4 | Bullish | +3.42% | 90% | 10d |
| May 29 – Jun 8 | Bullish | +3.34% | 90% | 10d |
| Aug 21 – Aug 31 | Bullish | +3.13% | 90% | 10d |
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 SEM seasonality in full
See the seasonal curve chart, filter by win rate and return, and track upcoming windows — free during beta.
What is SEM stock seasonality?
Stock seasonality is the tendency of a stock to perform in a similar way during the same period each year. By analysing Select Medical Holdings, Corp.'s price history across many years, SeasonalityX identifies recurring calendar windows — exact start and end dates — where SEM 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.