MSCI Inc. (MSCI) Seasonality
Recurring seasonal patterns for MSCI — the calendar windows where MSCI Inc. 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.
MSCI seasonality at a glance
Over the last 10 years, MSCI's strongest seasonal window has been Jun 21 – Jul 21: it ended higher in 10 of 10 years (100% win rate) with an average return of +7.40% across a 30-day hold. On the weak side, MSCI has historically declined between Sep 1 – Sep 21, falling in 10 of 10 years (average -3.21%).
In total, our analysis finds 755 recurring seasonal windows for MSCI Inc. — 579 bullish and 176 bearish. The next high-win-rate window, Sep 12 – Sep 22, opens tomorrow. These figures describe historical behaviour only — not a forecast.
MSCI'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 6d ago | Aug 6 – Sep 5 | 30d | +2.00% | 80% | +1.38% |
| Completedended 7d ago | Aug 15 – Sep 4 | 20d | +1.06% | 80% | +0.68% |
| Active10d left | Sep 11 – Sep 21 | 10d | -1.77% | 80% | — |
| Upcomingtomorrow | Sep 12 – Sep 22 | 10d | -2.02% | 80% | — |
| Upcomingin 11d | Sep 22 – Oct 2 | 10d | -1.19% | 80% | — |
| Upcomingin 37d | Oct 18 – Nov 17 | 30d | +5.63% | 80% | — |
| Upcomingin 38d | Oct 19 – Nov 18 | 30d | +6.03% | 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 MSCI seasonality in full
See the seasonal curve chart, filter by win rate and return, and track upcoming windows — free during beta.
MSCI seasonality FAQ
What has historically been the best month to buy MSCI stock?
Based on the last 10 years of price data, MSCI's strongest seasonal window starts in June: Jun 21 to Jul 21, which ended higher in 10 of 10 years (100% win rate) with an average return of +7.40%. Past seasonal patterns do not guarantee future performance.
What is MSCI's strongest seasonal pattern?
MSCI's highest-win-rate pattern in our data is the Jun 21 – Jul 21 window (30-day hold): up in 10 of the last 10 years with an average move of +7.40%.
When has MSCI historically performed worst?
MSCI's weakest recurring window has been Sep 1 to Sep 21, declining in 10 of 10 years with an average return of -3.21%.
How reliable are MSCI's seasonal patterns?
Each MSCI pattern is scored by its historical win rate — the share of the last 10 years it repeated in the same direction. MSCI currently shows 755 recurring windows (579 bullish, 176 bearish). Seasonality describes historical tendencies only; it is not a prediction, and past performance does not guarantee future results.
What is MSCI stock seasonality?
Seasonality is the tendency of a stock to perform in a similar way during the same period each year. By analysing MSCI Inc.'s price history across many years, SeasonalityX identifies recurring calendar windows — exact start and end dates — where MSCI 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.