Pre-market price movements and significant market activity for SL Green Realty Corp. ($SLG). Each move is flagged by Z-score statistical significance — showing when $SLG moved beyond its typical daily range. 3 significant moves detected in the last 30 days.
Current Market State
What May Be Driving SLG?
SLG jumped 5.72% in an extreme 3.55σ move, fueled by positive Manhattan leasing outlook and analyst support.
SL Green Realty Corp. operates in the Real Estate sector, specifically Real Estate Investment Trusts. Sector-wide movement can contribute to individual stock volatility.
Recent Unusual Moves (30 days)
| Date | Session | Price | Move | Z-Score | Rel. Vol. |
|---|---|---|---|---|---|
| Sep 23, 2026 | Pre-market | $55.48 | +5.72% | 3.55 | 0.0× |
| Sep 23, 2026 | Regular | $50.02 | -4.68% | -2.34 | 0.7× |
| Sep 23, 2026 | After-hours | $49.89 | -4.94% | -2.50 | 1.1× |
About SLG Premarket Movers
This page tracks unusual market activity for SL Green Realty Corp. (SLG) across all trading sessions — pre-market (4:00 AM–9:30 AM ET), regular hours (9:30 AM–4:00 PM ET), and after-hours (4:00 PM–8:00 PM ET). A move is flagged as "unusual" when its Z-score reaches 2 or higher, meaning the price change is statistically significant relative to SLG's recent daily volatility.
Z-score is calculated by comparing each move to the 20-day average return and standard deviation. A Z-score of 2.0 means the move is 2 standard deviations beyond the average — occurring in roughly the top 5% of daily moves. Relative volume (RVOL) compares current volume to the 20-day average volume at the same time of day, helping distinguish genuine institutional activity from noise.