Comcast (CMCSA) Options Chain

NASDAQ: CMCSATelecommunicationsCable & Other Pay Television ServicesUSD

20.66-0.55 (-2.59%)

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

Expiration date

Expiration: Dec 18, 2026
Days to expiration: 68
Share price: $20.66
Put/call ratio (OI): 0.32
Put/call ratio (volume): 1.71
ATM implied volatility: 45.5%
Expected move: ±$4.05
Open interest (C / P): 66.22K / 20.89K

CMCSA options summary

The CMCSA options chain for the December 18, 2026 expiration lists 26 call and 23 put contracts, with 68 days until expiration. Open interest stands at 66,216 calls and 20,888 puts, a put/call ratio of 0.32, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $21.00 strike is 45.5%, which implies the market expects a move of about ±$4.05 (19.6%) in Comcast stock by expiration.

The most open interest sits at the $30.00 call (10.71K contracts) and the $22.50 put (4.36K contracts).

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

CMCSA options chain · December 18, 2026

CMCSA 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	200	54.1%	6.70	5.40	6.25	15.00	0.03	0.07	0.05	44.5%	10	1,025
—	—	—	5.55	—	—	16.00	0.03	0.13	0.10	42.8%	11	83
0	2	50.5%	3.50	2.92	3.70	17.50	0.24	0.26	0.24	38.1%	20	205
36	29	46.4%	2.40	2.30	2.56	19.00	0.55	0.60	0.57	36.7%	22	1,432
148	86	40.2%	1.69	1.70	1.77	20.00	0.91	0.96	0.94	35.8%	216	2,180
CMCSA $20.66
466	146	50.3%	1.22	1.20	1.65	21.00	1.39	1.64	1.40	40.6%	33	2,632
2,652	90	38.4%	0.68	0.67	0.70	22.50	2.23	2.43	2.36	35.1%	79	4,357
2,987	90	38.6%	0.36	0.35	0.38	24.00	3.55	3.80	3.57	41.6%	16	1,487
6,161	17	39.0%	0.22	0.23	0.25	25.00	4.25	4.65	4.51	41.7%	5	2,853
5,996	12	39.8%	0.15	0.15	0.17	26.00	5.10	5.60	5.38	44.7%	2	502
8,254	5	42.0%	0.15	0.06	0.11	27.50	6.30	7.25	6.47	59.3%	41	3,670
2,556	101	44.9%	0.06	0.05	0.08	29.00	7.30	9.30	7.65	88.2%	2	54
10,706	43	43.0%	0.04	0.03	0.04	30.00	8.40	10.30	8.54	93.1%	2,788	63
654	4	52.9%	0.11	0.02	0.09	31.00	9.40	11.85	10.93	67.8%	82	0
6,399	27	50.4%	0.03	0.02	0.06	32.50	10.55	12.95	9.24	109.7%	5	0
1,915	7	53.5%	0.02	0.01	0.04	35.00	13.05	15.45	10.11	119.6%	10	0
383	1	60.5%	0.03	0.01	0.05	37.50	16.00	17.70	16.85	53.1%	5	53
1,949	1	67.2%	0.02	0.01	0.06	40.00	15.00	18.25	15.19	—	1	4
1,472	30	124.5%	0.86	0.53	0.80	42.50	11.55	14.00	13.38	—	1	27
1,202	1,142	93.5%	0.01	0.00	0.26	45.00	23.05	25.70	23.15	77.3%	50	0
1,996	1	117.6%	0.35	0.11	0.57	47.50	5.50	10.50	7.12	—	75	261
892	2	112.9%	0.36	0.10	0.34	50.00	20.00	25.00	18.69	—	1	0
2,153	2	118.0%	0.61	0.15	0.30	52.50	—	—	—	—	—	—
4,567	1	107.4%	0.15	0.00	0.20	55.00	17.60	19.10	18.58	—	10	0
1,237	2	110.2%	0.10	0.00	0.15	60.00	—	—	—	—	—	—
1,434	2	110.9%	0.05	0.00	0.10	65.00	—	—	—	—	—	—

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 CMCSA put/call ratio?

For the December 18, 2026 expiration, the CMCSA put/call ratio based on open interest is 0.32 (20,888 puts vs 66,216 calls), and 1.71 based on today's volume. A ratio above 1 means more puts than calls.

What is CMCSA's implied volatility?

At-the-money implied volatility for CMCSA options expiring December 18, 2026 is about 45.5%, an annualized estimate of how much the market expects Comcast stock to move.

How many CMCSA option expiration dates are there?

CMCSA has 16 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.