SL Green Realty (SLG) Options Chain

NYSE: SLGReal EstateReal Estate Investment TrustsUSD

48.41-0.53 (-1.08%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Expiration date

Expiration: Feb 19, 2027
Days to expiration: 131
Share price: $48.41
Put/call ratio (OI): 0.68
Put/call ratio (volume): 1.05
ATM implied volatility: 56.3%
Expected move: ±$16.33
Open interest (C / P): 372 / 254

SLG options summary

The SLG options chain for the February 19, 2027 expiration lists 13 call and 17 put contracts, with 131 days until expiration. Open interest stands at 372 calls and 254 puts, a put/call ratio of 0.68, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $47.50 strike is 56.3%, which implies the market expects a move of about ±$16.33 (33.7%) in SL Green Realty stock by expiration.

The most open interest sits at the $60.00 call (143 contracts) and the $45.00 put (58 contracts).

Summary generated from market data by MetaCap's automated system. Methodology

SLG options chain · February 19, 2027

SLG calls and puts by strike price. Shaded cells are in the money.
Calls							Puts
OI	Vol	IV	Last	Bid	Ask	Strike	Bid	Ask	Last	IV	Vol	OI
0	1	71.7%	20.95	19.90	23.30	27.50	0.00	2.50	0.45	85.3%	1	17
—	—	—	—	—	—	30.00	0.00	2.55	0.66	75.4%	1	4
—	—	—	—	—	—	32.50	0.00	2.50	0.60	65.4%	—	1
—	—	—	—	—	—	35.00	0.00	2.85	1.23	59.2%	2	11
—	—	—	—	—	—	37.50	0.05	3.20	1.05	53.1%	1	2
0	10	67.8%	11.33	8.50	12.10	40.00	0.15	3.50	1.50	65.8%	1	33
—	—	—	—	—	—	42.50	0.50	3.90	2.20	59.4%	10	24
7	4	59.7%	9.85	5.40	8.50	45.00	1.35	4.90	3.27	58.0%	1	58
0	1	—	13.02	0.00	0.00	47.50	2.60	6.00	4.10	56.3%	2	9
SLG $48.41
0	1	1.6%	9.90	0.00	0.00	50.00	3.80	7.40	5.70	56.0%	2	18
8	1	74.6%	8.25	5.60	8.50	52.50	5.40	8.80	5.90	54.4%	2	4
110	1	49.8%	3.80	0.65	3.40	55.00	6.10	9.90	10.50	49.0%	—	18
91	1	57.5%	2.30	0.15	3.60	57.50	9.10	12.10	6.05	52.1%	2	41
143	10	55.0%	1.43	0.05	2.75	60.00	10.50	14.10	12.67	52.6%	1	10
2	—	62.2%	4.57	0.05	3.00	62.50	0.00	0.00	8.92	—	—	0
0	2	12.5%	3.38	0.00	0.00	65.00	15.00	18.90	13.15	59.7%	14	4
—	—	—	—	—	—	67.50	0.00	0.00	12.58	—	—	0
7	5	54.0%	2.50	0.00	2.40	70.00	—	—	—	—	—	—
4	1	59.3%	0.25	0.00	2.25	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 February 19, 2027 expiration, the SLG put/call ratio based on open interest is 0.68 (254 puts vs 372 calls), and 1.05 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 February 19, 2027 is about 56.3%, 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.