Alkermes plc (ALKS) Seasonality
Recurring seasonal patterns for ALKS — the calendar windows where Alkermes plc 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.
ALKS's strongest seasonal patterns
| Seasonal window | Direction | Avg return | Win rate | Hold |
|---|---|---|---|---|
| Feb 9 – Mar 2 | Bullish | +6.74% | 90% | 21d |
| Feb 8 – Mar 1 | Bullish | +6.48% | 90% | 21d |
| Jan 16 – Feb 6 | Bearish | -6.19% | 90% | 21d |
| Feb 19 – Mar 12 | Bearish | -5.91% | 90% | 21d |
| Feb 16 – Mar 9 | Bearish | -4.93% | 90% | 21d |
| Nov 16 – Nov 26 | Bullish | +2.91% | 90% | 10d |
| May 6 – May 16 | Bullish | +2.74% | 90% | 10d |
| Feb 6 – Feb 27 | Bullish | +2.42% | 90% | 21d |
| Apr 20 – May 20 | Bullish | +1.48% | 90% | 30d |
| Jan 18 – Feb 8 | Bearish | -7.54% | 80% | 21d |
| Feb 9 – Feb 19 | Bullish | +7.52% | 80% | 10d |
| Jan 19 – Feb 9 | Bearish | -7.26% | 80% | 21d |
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 ALKS seasonality in full
See the seasonal curve chart, filter by win rate and return, and track upcoming windows — free during beta.
What is ALKS stock seasonality?
Stock seasonality is the tendency of a stock to perform in a similar way during the same period each year. By analysing Alkermes plc's price history across many years, SeasonalityX identifies recurring calendar windows — exact start and end dates — where ALKS 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.