S&P Global (SPGI) Seasonality
Recurring seasonal patterns for SPGI — the calendar windows where S&P Global 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.
SPGI seasonality at a glance
Over the last 10 years, SPGI's strongest seasonal window has been Jun 22 – Jul 22: it ended higher in 10 of 10 years (100% win rate) with an average return of +7.07% across a 30-day hold. On the weak side, SPGI has historically declined between Sep 17 – Oct 17, falling in 9 of 10 years (average -4.13%).
In total, our analysis finds 753 recurring seasonal windows for S&P Global — 593 bullish and 160 bearish. The next high-win-rate window, Jul 30 – Aug 29, opens in 3 days. These figures describe historical behaviour only — not a forecast.
SPGI'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 3d ago | Jun 24 – Jul 24 | 30d | +6.35% | 100% | +10.34% |
| Completedended 4d ago | Jun 23 – Jul 23 | 30d | +6.28% | 100% | +10.94% |
| Upcomingin 3d | Jul 30 – Aug 29 | 30d | +2.12% | 80% | — |
| Upcomingin 5d | Aug 1 – Aug 31 | 30d | +1.49% | 80% | — |
| Upcomingin 6d | Aug 2 – Aug 22 | 20d | +1.51% | 90% | — |
| Upcomingin 6d | Aug 2 – Sep 1 | 30d | +2.38% | 90% | — |
| Upcomingin 7d | Aug 3 – Aug 13 | 10d | +1.44% | 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 SPGI seasonality in full
See the seasonal curve chart, filter by win rate and return, and track upcoming windows — free during beta.
SPGI seasonality FAQ
What has historically been the best month to buy SPGI stock?
Based on the last 10 years of price data, SPGI's strongest seasonal window starts in June: Jun 22 to Jul 22, which ended higher in 10 of 10 years (100% win rate) with an average return of +7.07%. Past seasonal patterns do not guarantee future performance.
What is SPGI's strongest seasonal pattern?
SPGI's highest-win-rate pattern in our data is the Jun 22 – Jul 22 window (30-day hold): up in 10 of the last 10 years with an average move of +7.07%.
When has SPGI historically performed worst?
SPGI's weakest recurring window has been Sep 17 to Oct 17, declining in 9 of 10 years with an average return of -4.13%.
How reliable are SPGI's seasonal patterns?
Each SPGI pattern is scored by its historical win rate — the share of the last 10 years it repeated in the same direction. SPGI currently shows 753 recurring windows (593 bullish, 160 bearish). Seasonality describes historical tendencies only; it is not a prediction, and past performance does not guarantee future results.
What is SPGI stock seasonality?
Stock seasonality is the tendency of a stock to perform in a similar way during the same period each year. By analysing S&P Global's price history across many years, SeasonalityX identifies recurring calendar windows — exact start and end dates — where SPGI 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.