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: Dec 18, 2026
Days to expiration: 68
Share price: $48.41
Put/call ratio (OI): 0.80
Put/call ratio (volume): 0.71
ATM implied volatility: 68.4%
Expected move: ±$14.29
Open interest (C / P): 2.74K / 2.19K

SLG options summary

The SLG options chain for the December 18, 2026 expiration lists 18 call and 20 put contracts, with 68 days until expiration. Open interest stands at 2,743 calls and 2,193 puts, a put/call ratio of 0.80, which is fairly balanced between calls and puts. At-the-money implied volatility near the $47.50 strike is 68.4%, which implies the market expects a move of about ±$14.29 (29.5%) in SL Green Realty stock by expiration.

The most open interest sits at the $45.00 call (596 contracts) and the $60.00 put (346 contracts).

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

SLG options chain · December 18, 2026

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
—	—	—	—	—	—	20.00	0.00	0.60	0.10	120.5%	11	75
—	—	—	—	—	—	22.50	0.00	0.30	0.10	93.4%	1	138
—	—	—	—	—	—	25.00	0.00	1.20	0.30	109.0%	30	162
—	—	—	—	—	—	27.50	0.00	1.20	0.50	95.7%	1	5
—	—	—	—	—	—	30.00	0.00	1.35	0.30	86.2%	4	27
—	—	—	—	—	—	32.50	0.05	0.50	0.21	59.7%	4	64
5	1	—	7.10	9.20	12.60	35.00	0.15	0.35	0.25	53.4%	1	238
22	1	61.8%	12.58	10.20	13.70	37.50	0.00	1.25	0.65	52.1%	2	69
508	3	51.8%	10.46	7.60	11.40	40.00	0.00	2.95	0.85	58.7%	12	59
121	3	73.6%	8.80	5.80	9.20	42.50	0.55	3.30	1.10	54.0%	1	329
596	9	123.1%	11.30	9.50	13.80	45.00	0.75	3.10	2.12	57.0%	1	81
165	1	83.2%	5.68	6.30	8.40	47.50	1.30	4.00	2.98	53.5%	7	28
SLG $48.41
360	120	47.5%	4.40	2.40	3.30	50.00	3.70	5.30	3.90	52.4%	2	264
117	5	46.0%	2.85	1.50	2.30	52.50	5.20	7.10	6.10	54.8%	1	82
191	8	59.4%	1.20	1.00	2.65	55.00	6.10	8.90	7.30	55.0%	3	189
104	4	64.8%	0.95	0.05	2.45	57.50	0.00	0.00	6.52	—	2	0
220	1	58.3%	0.60	0.10	2.90	60.00	10.40	13.50	11.55	64.4%	8	346
88	2	55.8%	0.53	0.25	1.75	62.50	12.40	15.80	8.20	67.7%	25	37
28	1	65.7%	0.50	0.00	2.50	65.00	0.00	0.00	9.12	—	1	0
47	1	69.9%	0.92	0.00	2.40	67.50	0.00	0.00	25.20	—	—	0
138	1	74.2%	0.70	0.00	2.35	70.00	—	—	—	—	—	—
26	1	82.0%	0.25	0.00	2.25	75.00	—	—	—	—	—	—
4	2	89.3%	0.25	0.00	2.20	80.00	—	—	—	—	—	—
3	1	95.8%	0.25	0.00	2.15	85.00	—	—	—	—	—	—

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 December 18, 2026 expiration, the SLG put/call ratio based on open interest is 0.80 (2,193 puts vs 2,743 calls), and 0.71 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 December 18, 2026 is about 68.4%, 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.