Independent options-market research
★
Menu
Stocks Expected Moves Volatility Earnings Market Dashboard Options Activity Screener News
Learn & Tools Learn Ask the Data AI Agents Methodology ★ Saved API
About About us Contact Disclaimer
View options
Dark mode

Guided View
New to markets? Prices, yields, YTD, market cap. We explain every term as you browse, in plain English. Same data, with the help built in.

Expert View
You already know the market. Just the data: clean, fast and compact, with no extra explanations. This is the default view.

Interface language
DATA API

Free read-only JSON access to summary metrics, rate-limited.

CMCSA option chain Comcast Corporation

Cboe delayed options data · as of 12:34 UTC

Each row is one strike. The left half is the call, the right half the put. Bid/ask are what buyers and sellers currently quote; volume is contracts traded this session; open interest is standing contracts. The highlighted row sits closest to the stock price.

This expiration prices a move of about ±10.2% (19.64–24.08) · ATM IV 40.8% · P/C open interest 1.82

CALLS Strike PUTS
BidAskVolOIThe number of option contracts currently outstanding at a strike or expiration. High open interest shows where positions are concentrated. IVΔModel sensitivity of an option's price to a $1 move in the stock; also used as a rough moneyness scale (a 25-delta option is well out of the money).ΓΘ BidAskVolOI IVΔΓΘ
7.35 9.25 117.5% 0.99 0.0056 -0.001 14 0 0.2600 93.9% -0.01 0.0056 -0.001
6.15 9.05 8 127.2% 0.99 0.0086 -0.002 15 0 0.0600 101 62.2% -0.01 0.0086 -0.002
5.10 8.00 107.9% 0.98 0.0136 -0.002 16 0 0.0400 2 130 49.8% -0.02 0.0137 -0.002
4.50 5.65 25 53.8% 0.97 0.0228 -0.003 17 0 0.0800 2,232 46.5% -0.03 0.0229 -0.003
3.30 5.35 64.8% 0.94 0.0399 -0.005 18 0.0400 0.1000 4 6,881 42.3% -0.06 0.0401 -0.005
0 0 0.00 0.0000 0.000 18.5 0 0 0.00 0.0000 0.000
2.94 3.55 158 47.2% 0.89 0.0684 -0.008 19 0.1500 0.2000 80 4,001 42.3% -0.12 0.0689 -0.008
0 0 0.00 0.0000 0.000 19.5 0 0 0.00 0.0000 0.000
2.12 2.58 7 654 41.0% 0.79 0.1024 -0.011 20 0.3300 0.3900 135 7,309 41.7% -0.21 0.1033 -0.011
0 0 0.00 0.0000 0.000 20.5 0 0 0.00 0.0000 0.000
1.49 1.74 4 1,584 39.0% 0.67 0.1321 -0.014 21 0.5700 0.7600 76 4,882 41.2% -0.33 0.1336 -0.014
0 0 0.00 0.0000 0.000 21.5 0 0 0.00 0.0000 0.000
1.00 1.38 75 2,718 43.7% 0.53 0.1473 -0.015 22 0.9200 1.14 36 2,101 38.0% -0.48 0.1496 -0.016
0 0 0.00 0.0000 0.000 22.5 0 0 0.00 0.0000 0.000
0.6100 0.6900 378 6,010 38.6% 0.38 0.1422 -0.015 23 1.56 1.75 36 1,791 38.9% -0.62 0.1456 -0.015
0 0 0.00 0.0000 0.000 23.5 0 0 0.00 0.0000 0.000
0.3500 0.4100 208 1,762 38.8% 0.26 0.1211 -0.012 24 2.27 2.79 20 738 45.4% -0.75 0.1256 -0.013
0 0 0.00 0.0000 0.000 24.5 0 0 0.00 0.0000 0.000
0.1800 0.2300 212 1,741 38.6% 0.16 0.0923 -0.009 25 2.86 3.30 89 -0.85 0.0979 -0.010
0 0 0.00 0.0000 0.000 25.5 0 0 0.00 0.0000 0.000
0.0900 0.1400 105 1,162 39.4% 0.10 0.0644 -0.007 26 3.30 5.10 4 44.8% -0.92 0.0704 -0.007
0 0 0.00 0.0000 0.000 26.5 0 0 0.00 0.0000 0.000
0.0200 0.1000 430 39.7% 0.06 0.0436 -0.005 27 4.35 6.15 10 55.6% -0.96 0.0464 -0.005
0 0 0.00 0.0000 0.000 27.5 0 0 0.00 0.0000 0.000
0 0.1000 319 43.7% 0.04 0.0307 -0.004 28 4.10 7.80 -0.98 0.0293 -0.004
0 0.2900 15 60.3% 0.03 0.0232 -0.003 29 5.55 7.70 -0.99 0.0192 -0.003
0 0.0400 7 46.4% 0.03 0.0184 -0.003 30 6.10 9.10 -0.99 0.0137 -0.002
0 0.2900 70.9% 0.02 0.0152 -0.003 31 7.10 9.90 -0.99 0.0102 -0.002
0 0.1300 65.0% 0.02 0.0128 -0.003 32 8.10 11.10 -0.99 0.0078 -0.001

Strikes shown: within ±50% of the underlying price. Intrinsic value = max(0, price − strike) for calls, max(0, strike − price) for puts; extrinsic = option price − intrinsic. Greeks and IV as computed by the exchange feed.

Volatility smile — Nov 20, 2026

Volatility page →

Implied volatility per strike for this expiration. Out-of-the-money puts usually price higher IV than calls — the skew.

35%46%57%69%21.8618.0025.00
callsputs

Consumer Cyclical

ABNB · Airbnb, Inc.AMZN · Amazon.com, Inc.AZO · AutoZone, Inc.BABA · Alibaba Group Holding…BBY · Best Buy Co., Inc.BYD · Boyd Gaming CorporationCAVA · CAVA Group, Inc.CCL · Carnival Corporation & plc

ETF

ARKK · ARK Innovation ETFBITO · ProShares Bitcoin ETFDIA · State Street SPDR Dow…EEM · iShares MSCI Emerging…EFA · iShares MSCI EAFE ETFEWZ · iShares MSCI Brazil ETFFXI · iShares China Large-Cap ETFGDX · VanEck Gold Miners ETF

Technology

AAPL · Apple Inc.ADBE · Adobe Inc.AI · C3.ai, Inc.AMAT · Applied Materials, Inc.AMD · Advanced Micro Device…APP · AppLovin CorporationARM · Arm Holdings plc Amer…ASML · ASML Holding N.V.

Financial Services

AFRM · Affirm Holdings, Inc.ALL · The Allstate CorporationALLY · Ally Financial Inc.AXP · American Express CompanyBAC · Bank of America CorporationBLK · BlackRock, Inc.BX · Blackstone Inc.C · Citigroup Inc.

Industrials

AAL · American Airlines Gro…BA · The Boeing CompanyCAT · Caterpillar Inc.CMI · Cummins Inc.DAL · Delta Air Lines, Inc.DE · Deere & CompanyEMR · Emerson Electric Co.ETN · Eaton Corporation plc

Consumer Defensive

CELH · Celsius Holdings, Inc.CL · Colgate-Palmolive CompanyCOST · Costco Wholesale Corp…DG · Dollar General CorporationDLTR · Dollar Tree, Inc.EL · The Estée Lauder Comp…GIS · General Mills, Inc.HSY · The Hershey Company