iShares MSCI Brazil ETF (EWZ) Seasonality
Recurring seasonal patterns for EWZ — the calendar windows where iShares MSCI Brazil 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.
EWZ seasonality at a glance
Over the last 10 years, EWZ's strongest seasonal window has been Feb 9 – Feb 19: it ended higher in 9 of 10 years (90% win rate) with an average return of +2.50% across a 10-day hold. On the weak side, EWZ has historically declined between Feb 16 – Mar 8, falling in 9 of 10 years (average -3.58%).
In total, our analysis finds 643 recurring seasonal windows for iShares MSCI Brazil ETF — 483 bullish and 160 bearish. The next high-win-rate window, Dec 10 – Dec 30, opens in 45 days. These figures describe historical behaviour only — not a forecast.
EWZ'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 24d ago | Sep 22 – Oct 2 | 10d | -2.08% | 80% | -0.18% |
| Completedended 25d ago | Sep 21 – Oct 1 | 10d | -1.67% | 80% | -2.44% |
| Upcomingin 45d | Dec 10 – Dec 30 | 20d | +1.64% | 80% | — |
| Upcomingin 48d | Dec 13 – Jan 12 | 30d | +4.01% | 80% | +2.29% |
| Upcomingin 49d | Dec 14 – Jan 13 | 30d | +4.38% | 80% | +1.36% |
| Upcomingin 50d | Dec 15 – Jan 14 | 30d | +4.88% | 80% | +2.21% |
| Upcomingin 51d | Dec 16 – Jan 15 | 30d | +3.99% | 80% | +5.93% |
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 EWZ seasonality in full
See the seasonal curve chart, filter by win rate and return, and track upcoming windows — free during beta.
EWZ seasonality FAQ
What has historically been the best month to buy EWZ stock?
Based on the last 10 years of price data, EWZ's strongest seasonal window starts in February: Feb 9 to Feb 19, which ended higher in 9 of 10 years (90% win rate) with an average return of +2.50%. Past seasonal patterns do not guarantee future performance.
What is EWZ's strongest seasonal pattern?
EWZ's highest-win-rate pattern in our data is the Feb 9 – Feb 19 window (10-day hold): up in 9 of the last 10 years with an average move of +2.50%.
When has EWZ historically performed worst?
EWZ's weakest recurring window has been Feb 16 to Mar 8, declining in 9 of 10 years with an average return of -3.58%.
How reliable are EWZ's seasonal patterns?
Each EWZ pattern is scored by its historical win rate — the share of the last 10 years it repeated in the same direction. EWZ currently shows 643 recurring windows (483 bullish, 160 bearish). Seasonality describes historical tendencies only; it is not a prediction, and past performance does not guarantee future results.
What is EWZ stock seasonality?
Seasonality is the tendency of a stock to perform in a similar way during the same period each year. By analysing iShares MSCI Brazil ETF's price history across many years, SeasonalityX identifies recurring calendar windows — exact start and end dates — where EWZ 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.