SL Green Realty (SLG) Options Chain
NYSE: SLGReal EstateReal Estate Investment TrustsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- May 21, 2027
- Days to expiration
- 223
- Share price
- $48.41
- Put/call ratio (OI)
- 1.36
- Put/call ratio (volume)
- 0.13
- Expected move
- ±$17.64
- Open interest (C / P)
- 25 / 34
SLG options summary
The SLG options chain for the May 21, 2027 expiration lists 7 call and 3 put contracts, with 223 days until expiration. Open interest stands at 25 calls and 34 puts, a put/call ratio of 1.36, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $47.50 strike is 46.6%, which implies the market expects a move of about ±$17.64 (36.4%) in SL Green Realty stock by expiration.
The most open interest sits at the $55.00 call (13 contracts) and the $45.00 put (26 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
SLG options chain · May 21, 2027
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 21.10 | — | — | 27.50 | — | — | — | |||||
| 18.00 | 15.50 | 18.70 | 32.50 | — | — | — | |||||
| — | — | — | 45.00 | 4.10 | 5.20 | 4.71 | |||||
| 7.11 | 6.10 | 7.40 | 47.50 | — | — | — | |||||
| 5.20 | 3.20 | 6.10 | 52.50 | — | — | — | |||||
| 3.60 | 2.30 | 5.10 | 55.00 | — | — | 9.10 | |||||
| 3.00 | 1.60 | 4.50 | 57.50 | — | — | — | |||||
| — | — | — | 60.00 | 12.30 | 15.20 | 12.90 | |||||
| 0.86 | 0.00 | 2.55 | 75.00 | — | — | — | |||||
In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.
Frequently asked questions
What is the SLG put/call ratio?
For the May 21, 2027 expiration, the SLG put/call ratio based on open interest is 1.36 (34 puts vs 25 calls), and 0.13 based on today's volume. A ratio above 1 means more puts than calls.
What is SLG's implied volatility?
At-the-money implied volatility for SLG options expiring May 21, 2027 is about 46.6%, an annualized estimate of how much the market expects SL Green Realty stock to move.
How many SLG option expiration dates are there?
SLG has 7 listed expiration dates, from Oct 16, 2026 to Jan 21, 2028.
What does "in the money" mean?
A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.