Constellation Energy (CEG) Options Chain

NASDAQ: CEGUtilitiesElectric Utilities: CentralUSD

298.07+13.00 (+4.56%)

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

Expiration date

Expiration: Nov 20, 2026
Days to expiration: 40
Share price: $298.07
Put/call ratio (OI): 1.87
Put/call ratio (volume): 1.90
ATM implied volatility: 52.3%
Expected move: ±$51.61
Open interest (C / P): 13.48K / 25.20K

CEG options summary

The CEG options chain for the November 20, 2026 expiration lists 39 call and 35 put contracts, with 40 days until expiration. Open interest stands at 13,476 calls and 25,200 puts, a put/call ratio of 1.87, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $300.00 strike is 52.3%, which implies the market expects a move of about ±$51.61 (17.3%) in Constellation Energy stock by expiration.

The most open interest sits at the $330.00 call (3.98K contracts) and the $210.00 put (6.61K contracts).

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

CEG options chain · November 20, 2026

CEG 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
—	—	—	—	—	—	125.00	0.00	2.60	0.55	144.0%	2	3
0	1	—	144.60	0.00	0.00	130.00	0.00	3.60	0.15	147.0%	5	66
—	—	—	—	—	—	135.00	0.00	0.00	3.43	50.0%	—	0
0	—	—	187.40	0.00	0.00	140.00	0.00	2.10	1.90	122.2%	—	6
—	—	—	—	—	—	145.00	0.15	1.95	2.20	117.1%	2	2
1	1	97.1%	117.11	146.60	150.40	150.00	0.05	0.15	0.10	80.7%	1	55
2	1	100.9%	130.05	142.10	145.50	155.00	0.00	2.60	0.77	111.8%	2	8
—	—	—	—	—	—	160.00	0.00	3.20	0.45	111.5%	1	172
1	1	87.6%	101.17	131.70	135.50	165.00	0.00	0.95	0.15	86.2%	3	54
0	1	84.9%	115.05	126.70	130.60	170.00	0.00	2.60	0.60	97.9%	3	104
2	1	81.0%	107.50	121.70	125.60	175.00	0.00	2.60	0.55	93.5%	1	37
19	1	78.3%	120.18	116.80	120.60	180.00	0.00	2.60	0.52	89.3%	10	473
—	—	—	—	—	—	185.00	0.00	1.05	0.25	72.4%	2	87
8	8	72.7%	67.30	106.90	110.70	190.00	0.00	0.25	0.17	56.3%	22	398
0	1	—	87.20	0.00	0.00	195.00	0.00	0.35	0.25	55.6%	71	304
30	1	67.8%	101.00	96.90	101.00	200.00	0.20	0.40	0.33	56.7%	15	3,827
17	2	63.2%	90.30	87.20	91.10	210.00	0.20	0.75	0.50	54.4%	2	6,614
25	5	60.1%	52.00	77.50	81.60	220.00	0.70	1.00	0.80	53.5%	147	2,636
30	1	56.4%	76.60	68.10	71.90	230.00	1.15	2.05	1.15	53.9%	24	1,954
73	1	54.3%	59.05	58.80	62.90	240.00	1.75	2.80	2.13	51.3%	37	975
201	17	55.1%	53.50	51.10	54.20	250.00	2.90	3.80	3.10	51.6%	85	1,308
333	16	53.3%	42.00	42.80	46.00	260.00	4.90	6.20	4.90	50.4%	1,040	929
445	4	50.6%	37.95	34.30	38.50	270.00	6.80	8.30	7.05	50.5%	28	3,391
256	24	51.9%	30.49	28.70	32.00	280.00	10.70	11.80	11.00	50.6%	46	751
917	68	50.2%	24.60	22.30	25.70	290.00	14.70	16.00	13.90	50.4%	67	305
CEG $298.07
881	110	51.7%	19.65	18.80	20.60	300.00	19.70	22.10	18.88	52.9%	27	270
699	105	50.3%	15.30	14.60	15.40	310.00	24.70	28.00	29.47	53.0%	8	320
974	30	50.6%	11.86	11.30	12.10	320.00	31.20	34.70	29.00	53.4%	15	26
3,976	82	50.5%	9.05	8.10	8.90	330.00	38.20	41.70	35.59	52.9%	7	28
1,457	31	51.2%	6.90	6.30	7.60	340.00	45.70	49.80	64.65	54.1%	5	42
348	50	50.1%	5.00	4.60	5.20	350.00	54.10	58.20	97.67	55.0%	1	47
407	6	51.4%	3.70	3.30	4.50	360.00	62.90	67.00	79.40	56.1%	8	4
126	9	52.3%	3.08	2.60	3.50	370.00	112.70	117.10	130.36	167.1%	—	2
1,023	65	52.4%	2.40	1.85	2.65	380.00	—	—	—	—	—	—
536	183	53.2%	1.65	1.40	2.10	390.00	—	—	—	—	—	—
200	25	53.9%	1.30	1.00	1.70	400.00	100.80	104.60	101.60	62.8%	8	1
117	1	52.5%	0.92	0.15	1.55	410.00	—	—	—	—	—	—
61	1	59.7%	0.05	0.05	2.45	420.00	—	—	—	—	—	—
42	13	54.2%	0.50	0.25	0.80	430.00	—	—	—	—	—	—
39	1	70.0%	0.60	0.20	3.20	440.00	—	—	—	—	—	—
26	1	70.1%	0.90	0.00	2.75	450.00	—	—	—	—	—	—
27	23	70.1%	3.60	0.00	2.20	460.00	—	—	—	—	—	—
63	1	80.2%	1.27	0.00	3.70	470.00	198.30	202.60	177.90	179.8%	—	1
114	1	70.9%	0.18	0.00	1.50	480.00	—	—	—	—	—	—

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 CEG put/call ratio?

For the November 20, 2026 expiration, the CEG put/call ratio based on open interest is 1.87 (25,200 puts vs 13,476 calls), and 1.90 based on today's volume. A ratio above 1 means more puts than calls.

What is CEG's implied volatility?

At-the-money implied volatility for CEG options expiring November 20, 2026 is about 52.3%, an annualized estimate of how much the market expects Constellation Energy stock to move.

How many CEG option expiration dates are there?

CEG has 18 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.