iShares Core MSCI Emerging Markets ETF (IEMG) Seasonality
Recurring seasonal patterns for IEMG — the calendar windows where iShares Core 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.
IEMG seasonality at a glance
Over the last 10 years, IEMG'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 +1.49% across a 10-day hold. On the weak side, IEMG has historically declined between Feb 18 – Feb 28, falling in 9 of 10 years (average -2.77%).
In total, our analysis finds 433 recurring seasonal windows for iShares Core MSCI Emerging Markets ETF — 359 bullish and 74 bearish. The next high-win-rate window, Aug 15 – Sep 14, opens in 19 days. These figures describe historical behaviour only — not a forecast.
IEMG'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 | +2.34% | 80% | +0.04% |
| Completedended 34d ago | May 24 – Jun 23 | 30d | +2.94% | 80% | +1.74% |
| Upcomingin 19d | Aug 15 – Sep 14 | 30d | +1.20% | 80% | — |
| Upcomingin 24d | Aug 20 – Sep 19 | 30d | +1.67% | 80% | — |
| Upcomingin 25d | Aug 21 – Sep 20 | 30d | +1.02% | 80% | — |
| Upcomingin 73d | Oct 8 – Nov 7 | 30d | +2.04% | 80% | — |
| Upcomingin 91d | Oct 26 – Nov 5 | 10d | +1.90% | 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 IEMG seasonality in full
See the seasonal curve chart, filter by win rate and return, and track upcoming windows — free during beta.
IEMG seasonality FAQ
What has historically been the best month to buy IEMG stock?
Based on the last 10 years of price data, IEMG'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 +1.49%. Past seasonal patterns do not guarantee future performance.
What is IEMG's strongest seasonal pattern?
IEMG'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 +1.49%.
When has IEMG historically performed worst?
IEMG's weakest recurring window has been Feb 18 to Feb 28, declining in 9 of 10 years with an average return of -2.77%.
How reliable are IEMG's seasonal patterns?
Each IEMG pattern is scored by its historical win rate — the share of the last 10 years it repeated in the same direction. IEMG currently shows 433 recurring windows (359 bullish, 74 bearish). Seasonality describes historical tendencies only; it is not a prediction, and past performance does not guarantee future results.
What is IEMG 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 Core MSCI Emerging Markets ETF's price history across many years, SeasonalityX identifies recurring calendar windows — exact start and end dates — where IEMG 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.