General Motors (GM) Options Chain

NYSE: GMIndustrialsAuto ManufacturingUSD

82.73+0.48 (+0.58%)

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

Expiration date

Expiration: Mar 19, 2027
Days to expiration: 159
Share price: $82.73
Put/call ratio (OI): 0.82
Put/call ratio (volume): 14.58
ATM implied volatility: 35.8%
Expected move: ±$19.56
Open interest (C / P): 4.60K / 3.80K

GM options summary

The GM options chain for the March 19, 2027 expiration lists 29 call and 23 put contracts, with 159 days until expiration. Open interest stands at 4,603 calls and 3,796 puts, a put/call ratio of 0.82, which is fairly balanced between calls and puts. At-the-money implied volatility near the $82.50 strike is 35.8%, which implies the market expects a move of about ±$19.56 (23.6%) in General Motors stock by expiration.

The most open interest sits at the $90.00 call (933 contracts) and the $72.50 put (793 contracts).

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

GM options chain · March 19, 2027

GM 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
1	1	72.6%	48.40	44.40	47.15	37.50	0.00	0.00	0.88	25.0%	1	0
8	1	63.9%	38.42	41.60	44.70	40.00	0.00	0.39	0.10	55.9%	2	13
0	1	68.3%	40.34	37.30	41.05	42.50	0.03	0.22	0.14	52.6%	209	201
9	1	59.4%	34.93	36.85	39.85	45.00	0.06	0.28	0.22	50.7%	1	79
5	5	110.6%	44.37	39.80	42.10	47.50	0.15	0.42	0.59	50.5%	1	7
12	20	53.6%	33.73	32.50	34.55	50.00	0.17	0.43	0.33	46.7%	12	63
24	3	60.3%	27.24	27.85	29.85	55.00	0.36	0.66	0.42	43.2%	8	72
129	1	61.1%	20.11	22.50	26.15	60.00	0.74	0.89	0.81	38.6%	132	121
215	1	46.8%	16.16	19.10	20.55	65.00	1.35	1.76	1.74	38.9%	2	603
37	3	48.3%	22.88	17.00	19.00	67.50	1.42	2.26	2.12	38.3%	1	122
75	26	46.9%	14.39	15.40	17.10	70.00	2.23	2.57	2.76	36.0%	50	249
55	10	42.9%	12.33	13.30	14.80	72.50	2.85	3.25	3.60	35.5%	700	793
69	1	46.0%	11.92	12.10	13.90	75.00	3.65	4.00	3.90	34.8%	7	612
160	26	44.9%	10.17	10.60	12.30	77.50	4.55	4.75	4.65	33.5%	1,354	266
230	5	41.9%	9.60	9.10	10.40	80.00	5.55	5.90	5.75	33.5%	52	242
92	2	38.8%	8.10	8.00	8.55	82.50	6.70	7.05	7.50	32.9%	5	101
GM $82.73
504	15	38.2%	6.94	6.75	7.35	85.00	7.95	8.35	8.25	32.4%	34	151
239	6	41.2%	5.78	5.50	7.05	87.50	8.40	9.80	10.35	31.9%	2	42
933	2	37.8%	5.05	4.85	5.45	90.00	10.90	11.35	15.30	31.4%	1	20
83	1	37.4%	4.22	4.20	4.60	92.50	12.50	13.65	12.65	33.9%	4	35
175	2	36.7%	3.75	3.25	3.80	95.00	14.45	15.55	18.96	34.0%	1	1
56	6	38.4%	2.78	2.84	3.55	97.50	—	—	—	—	—	—
687	1	37.3%	2.63	2.39	2.84	100.00	18.40	20.05	17.45	37.0%	1	3
208	10	37.7%	1.84	1.63	2.10	105.00	—	—	—	—	—	—
274	3	37.7%	1.08	1.14	1.50	110.00	—	—	—	—	—	—
252	4	38.1%	0.60	0.78	1.10	115.00	0.00	0.00	37.65	—	—	0
24	10	38.6%	0.39	0.53	0.82	120.00	—	—	—	—	—	—
17	3	39.3%	0.32	0.37	0.63	125.00	—	—	—	—	—	—
30	7	39.2%	0.44	0.24	0.44	130.00	—	—	—	—	—	—

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 GM put/call ratio?

For the March 19, 2027 expiration, the GM put/call ratio based on open interest is 0.82 (3,796 puts vs 4,603 calls), and 14.58 based on today's volume. A ratio above 1 means more puts than calls.

What is GM's implied volatility?

At-the-money implied volatility for GM options expiring March 19, 2027 is about 35.8%, an annualized estimate of how much the market expects General Motors stock to move.

How many GM option expiration dates are there?

GM has 13 listed expiration dates, from Oct 16, 2026 to Jan 19, 2029.

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.