iShares Russell 2000 ETF (IWM) Seasonality
Recurring seasonal patterns for IWM — the calendar windows where iShares Russell 2000 ETF 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.
IWM's strongest seasonal patterns
| Seasonal window | Direction | Avg return | Win rate | Hold |
|---|---|---|---|---|
| Mar 2 – Mar 23 | Bearish | -5.89% | 90% | 21d |
| Oct 31 – Nov 30 | Bullish | +5.72% | 90% | 30d |
| Oct 26 – Nov 25 | Bullish | +5.66% | 90% | 30d |
| Nov 3 – Dec 3 | Bullish | +4.66% | 90% | 30d |
| Jun 26 – Jul 26 | Bullish | +4.51% | 90% | 30d |
| Jun 27 – Jul 27 | Bullish | +4.50% | 90% | 30d |
| Jun 28 – Jul 28 | Bullish | +4.45% | 90% | 30d |
| Oct 24 – Nov 23 | Bullish | +4.43% | 90% | 30d |
| Jun 29 – Jul 29 | Bullish | +4.11% | 90% | 30d |
| Jun 25 – Jul 25 | Bullish | +4.02% | 90% | 30d |
| Jun 23 – Jul 23 | Bullish | +3.78% | 90% | 30d |
| Jun 30 – Jul 30 | Bullish | +3.73% | 90% | 30d |
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 IWM seasonality in full
See the seasonal curve chart, filter by win rate and return, and track upcoming windows — free during beta.
What is IWM stock seasonality?
Stock seasonality is the tendency of a stock to perform in a similar way during the same period each year. By analysing iShares Russell 2000 ETF's price history across many years, SeasonalityX identifies recurring calendar windows — exact start and end dates — where IWM 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.