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: Oct 16, 2026
Days to expiration: 6
Share price: $48.41
Put/call ratio (OI): 3.94
Put/call ratio (volume): 0.35
ATM implied volatility: 52.4%
Expected move: ±$3.25
Open interest (C / P): 1.37K / 5.41K

SLG options summary

The SLG options chain for the October 16, 2026 expiration lists 14 call and 13 put contracts, with 6 days until expiration. Open interest stands at 1,372 calls and 5,405 puts, a put/call ratio of 3.94, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $47.50 strike is 52.4%, which implies the market expects a move of about ±$3.25 (6.7%) in SL Green Realty stock by expiration.

The most open interest sits at the $65.00 call (764 contracts) and the $47.50 put (4.89K contracts).

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

SLG options chain · October 16, 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
—	—	—	—	—	—	30.00	0.00	0.05	0.05	146.9%	—	6
—	—	—	—	—	—	35.00	0.00	0.35	0.26	143.4%	1	1
—	—	—	—	—	—	37.50	0.00	0.00	0.30	50.0%	—	0
0	10	100.6%	9.52	7.30	10.00	40.00	0.00	0.65	0.60	109.0%	3	5
—	—	—	—	—	—	42.50	0.00	2.20	0.22	129.0%	13	21
3	3	111.7%	4.17	2.20	4.90	45.00	0.00	2.35	0.38	97.8%	1	40
4	2	61.5%	3.35	0.65	3.60	47.50	0.55	0.75	0.64	43.4%	11	4,889
SLG $48.41
66	42	47.6%	0.61	0.15	0.65	50.00	1.05	2.90	2.50	73.8%	6	117
42	11	98.7%	0.20	0.00	2.35	52.50	2.90	5.40	4.12	104.5%	1	287
220	3	120.6%	0.07	0.00	2.20	55.00	4.90	7.70	6.85	121.0%	1	39
65	4	89.8%	0.05	0.00	0.50	57.50	7.40	10.60	8.22	162.4%	2	0
138	26	161.2%	0.05	0.00	2.15	60.00	0.00	0.00	3.90	—	—	0
64	5	138.7%	0.08	0.00	0.90	62.50	—	—	—	—	—	—
764	1	196.4%	0.16	0.00	2.15	65.00	14.90	18.10	7.40	220.3%	—	0
2	—	212.1%	0.52	0.00	2.15	67.50	—	—	—	—	—	—
2	1	226.9%	0.05	0.00	2.15	70.00	—	—	—	—	—	—
2	1	254.1%	0.05	0.00	2.15	75.00	—	—	—	—	—	—
0	1	50.0%	0.25	0.00	0.00	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 October 16, 2026 expiration, the SLG put/call ratio based on open interest is 3.94 (5,405 puts vs 1,372 calls), and 0.35 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 October 16, 2026 is about 52.4%, 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.