SPDR Portfolio S&P 500 ETF (SPLG) Seasonality
Recurring seasonal patterns for SPLG — the calendar windows where SPDR Portfolio S&P 500 ETF has historically tended to rise or fall, with the win rate (how often it repeated) and average return for each, based on up to 10 years of price history.
SPLG's strongest seasonal patterns
| Seasonal window | Direction | Avg return | Win rate | Hold |
|---|---|---|---|---|
| Oct 30 – Nov 29 | Bullish | +4.02% | 100% | 30d |
| Jun 29 – Jul 29 | Bullish | +3.95% | 100% | 30d |
| Jun 28 – Jul 28 | Bullish | +3.94% | 100% | 30d |
| Oct 11 – Nov 10 | Bullish | +3.65% | 100% | 30d |
| Oct 12 – Nov 11 | Bullish | +3.65% | 100% | 30d |
| May 9 – Jun 8 | Bullish | +3.61% | 100% | 30d |
| Jun 20 – Jul 20 | Bullish | +3.51% | 100% | 30d |
| Jun 21 – Jul 21 | Bullish | +3.43% | 100% | 30d |
| Jun 22 – Jul 22 | Bullish | +3.41% | 100% | 30d |
| Oct 26 – Nov 16 | Bullish | +3.35% | 100% | 21d |
| Jun 23 – Jul 23 | Bullish | +3.22% | 100% | 30d |
| Jun 16 – Jul 16 | Bullish | +3.21% | 100% | 30d |
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 SPLG seasonality in full
See the seasonal curve chart, filter by win rate and return, and track upcoming windows — free during beta.
What is SPLG stock seasonality?
Stock seasonality is the tendency of a stock to perform in a similar way during the same period each year. By analysing SPDR Portfolio S&P 500 ETF's price history across many years, SeasonalityX identifies recurring calendar windows — exact start and end dates — where SPLG 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.