SL Green Realty (SLG) Seasonality
Recurring seasonal patterns for SLG — the calendar windows where SL Green Realty 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.
SLG seasonality at a glance
Over the last 10 years, SLG's strongest seasonal window has been May 19 – Jun 8: it ended higher in 9 of 10 years (90% win rate) with an average return of +11.32% across a 20-day hold. On the weak side, SLG has historically declined between Mar 17 – Apr 16, falling in 9 of 10 years (average -4.45%).
In total, our analysis finds 793 recurring seasonal windows for SL Green Realty — 428 bullish and 365 bearish. The next high-win-rate window, Jul 28 – Aug 17, opens tomorrow. These figures describe historical behaviour only — not a forecast.
SLG'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 | +5.21% | 80% | +15.38% |
| Completedended 28d ago | May 30 – Jun 29 | 30d | +5.10% | 80% | +16.59% |
| Upcomingtomorrow | Jul 28 – Aug 17 | 20d | -2.99% | 80% | — |
| Upcomingin 2d | Jul 29 – Aug 18 | 20d | -3.75% | 90% | — |
| Upcomingin 3d | Jul 30 – Aug 19 | 20d | -3.84% | 90% | — |
| Upcomingin 4d | Jul 31 – Aug 10 | 10d | -2.16% | 80% | — |
| Upcomingin 4d | Jul 31 – Aug 20 | 20d | -3.97% | 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 SLG seasonality in full
See the seasonal curve chart, filter by win rate and return, and track upcoming windows — free during beta.
SLG seasonality FAQ
What has historically been the best month to buy SLG stock?
Based on the last 10 years of price data, SLG's strongest seasonal window starts in May: May 19 to Jun 8, which ended higher in 9 of 10 years (90% win rate) with an average return of +11.32%. Past seasonal patterns do not guarantee future performance.
What is SLG's strongest seasonal pattern?
SLG's highest-win-rate pattern in our data is the May 19 – Jun 8 window (20-day hold): up in 9 of the last 10 years with an average move of +11.32%.
When has SLG historically performed worst?
SLG's weakest recurring window has been Mar 17 to Apr 16, declining in 9 of 10 years with an average return of -4.45%.
How reliable are SLG's seasonal patterns?
Each SLG pattern is scored by its historical win rate — the share of the last 10 years it repeated in the same direction. SLG currently shows 793 recurring windows (428 bullish, 365 bearish). Seasonality describes historical tendencies only; it is not a prediction, and past performance does not guarantee future results.
What is SLG stock seasonality?
Stock seasonality is the tendency of a stock to perform in a similar way during the same period each year. By analysing SL Green Realty's price history across many years, SeasonalityX identifies recurring calendar windows — exact start and end dates — where SLG 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.