iShares MSCI Emerging Markets ETF (EEM) Seasonality
Recurring seasonal patterns for EEM — the calendar windows where iShares MSCI Emerging Markets ETF 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.
EEM seasonality at a glance
Over the last 10 years, EEM's strongest seasonal window has been Dec 19 – Dec 29: it ended higher in 10 of 10 years (100% win rate) with an average return of +1.46% across a 10-day hold. On the weak side, EEM has historically declined between Feb 18 – Feb 28, falling in 9 of 10 years (average -2.94%).
In total, our analysis finds 408 recurring seasonal windows for iShares MSCI Emerging Markets ETF — 335 bullish and 73 bearish. The next high-win-rate window, Aug 20 – Sep 19, opens in 24 days. These figures describe historical behaviour only — not a forecast.
EEM'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 27d ago | May 31 – Jun 30 | 30d | +2.36% | 80% | +0.24% |
| Completedended 33d ago | May 25 – Jun 24 | 30d | +2.43% | 80% | +2.61% |
| Upcomingin 24d | Aug 20 – Sep 19 | 30d | +1.60% | 80% | — |
| Upcomingin 72d | Oct 7 – Nov 6 | 30d | +1.23% | 80% | — |
| Upcomingin 73d | Oct 8 – Nov 7 | 30d | +2.05% | 80% | — |
| Upcomingin 91d | Oct 26 – Nov 5 | 10d | +1.87% | 80% | — |
| Upcomingin 93d | Oct 28 – Nov 7 | 10d | +2.82% | 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 EEM seasonality in full
See the seasonal curve chart, filter by win rate and return, and track upcoming windows — free during beta.
EEM seasonality FAQ
What has historically been the best month to buy EEM stock?
Based on the last 10 years of price data, EEM's strongest seasonal window starts in December: Dec 19 to Dec 29, which ended higher in 10 of 10 years (100% win rate) with an average return of +1.46%. Past seasonal patterns do not guarantee future performance.
What is EEM's strongest seasonal pattern?
EEM's highest-win-rate pattern in our data is the Dec 19 – Dec 29 window (10-day hold): up in 10 of the last 10 years with an average move of +1.46%.
When has EEM historically performed worst?
EEM's weakest recurring window has been Feb 18 to Feb 28, declining in 9 of 10 years with an average return of -2.94%.
How reliable are EEM's seasonal patterns?
Each EEM pattern is scored by its historical win rate — the share of the last 10 years it repeated in the same direction. EEM currently shows 408 recurring windows (335 bullish, 73 bearish). Seasonality describes historical tendencies only; it is not a prediction, and past performance does not guarantee future results.
What is EEM 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 MSCI Emerging Markets ETF's price history across many years, SeasonalityX identifies recurring calendar windows — exact start and end dates — where EEM 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.