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: Feb 19, 2027
Days to expiration: 131
Share price: $298.07
Put/call ratio (OI): 1.06
Put/call ratio (volume): 1.17
ATM implied volatility: 47.1%
Expected move: ±$84.14
Open interest (C / P): 1.92K / 2.03K

CEG options summary

The CEG options chain for the February 19, 2027 expiration lists 28 call and 25 put contracts, with 131 days until expiration. Open interest stands at 1,920 calls and 2,031 puts, a put/call ratio of 1.06, which is fairly balanced between calls and puts. At-the-money implied volatility near the $300.00 strike is 47.1%, which implies the market expects a move of about ±$84.14 (28.2%) in Constellation Energy stock by expiration.

The most open interest sits at the $330.00 call (779 contracts) and the $250.00 put (366 contracts).

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

CEG options chain · February 19, 2027

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
1	1	—	126.39	149.50	153.50	125.00	—	—	—	—	—	—
0	1	81.2%	180.00	167.90	171.70	130.00	—	—	—	—	—	—
—	—	—	—	—	—	135.00	0.00	2.05	3.33	70.8%	—	5
—	—	—	—	—	—	140.00	0.05	1.00	1.50	60.8%	—	13
—	—	—	—	—	—	150.00	0.00	0.00	1.16	25.0%	1	0
1	1	—	96.68	116.50	120.50	160.00	0.15	1.15	0.72	52.8%	7	11
5	—	67.3%	142.40	134.00	137.80	165.00	0.00	3.10	1.95	59.1%	10	12
—	—	—	—	—	—	170.00	0.05	1.50	1.05	56.1%	10	25
—	—	—	—	—	—	175.00	0.25	1.35	1.00	52.5%	1	24
—	—	—	—	—	—	180.00	0.00	3.20	2.17	51.9%	15	79
—	—	—	—	—	—	185.00	0.70	1.75	1.90	50.4%	55	77
3	2	59.9%	74.79	110.50	114.20	190.00	0.90	2.20	2.27	50.6%	2	26
—	—	—	—	—	—	195.00	0.45	3.60	2.15	54.5%	20	98
2	2	57.2%	64.80	101.20	105.10	200.00	1.00	3.70	2.75	52.3%	11	97
12	1	55.4%	102.50	92.20	96.40	210.00	2.15	4.60	4.50	50.3%	15	128
12	1	53.5%	72.50	83.70	87.60	220.00	3.00	6.60	6.50	51.0%	14	151
25	1	52.3%	72.00	75.50	79.50	230.00	5.10	8.20	8.50	49.5%	14	189
31	1	51.0%	44.75	67.50	71.70	240.00	6.30	9.30	11.70	46.4%	24	79
22	2	50.0%	63.00	60.10	64.30	250.00	10.10	12.70	11.80	47.4%	2	366
86	1	52.6%	52.00	53.20	57.30	260.00	12.60	15.60	13.50	46.5%	1	84
55	6	52.2%	47.85	47.60	51.20	270.00	15.00	19.30	35.13	46.2%	7	86
50	1	51.6%	34.50	41.90	45.40	280.00	19.60	23.00	26.80	45.2%	3	242
90	14	50.8%	35.82	35.60	39.90	290.00	24.10	28.00	33.30	45.3%	10	59
CEG $298.07
87	45	49.6%	33.70	31.00	34.50	300.00	29.50	32.90	31.00	44.6%	7	37
227	62	50.3%	29.60	26.80	30.90	310.00	34.80	39.00	46.70	45.0%	12	125
74	7	50.2%	25.70	23.20	27.10	320.00	41.00	45.20	53.75	44.8%	1	8
779	19	50.3%	17.40	19.80	23.90	330.00	47.70	51.60	55.90	44.3%	—	10
53	1	49.5%	19.00	17.10	20.40	340.00	—	—	—	—	—	—
53	7	50.3%	13.20	15.00	18.30	350.00	—	—	—	—	—	—
60	7	50.2%	10.80	12.30	15.90	360.00	—	—	—	—	—	—
46	12	50.8%	12.10	10.30	14.20	370.00	—	—	—	—	—	—
13	1	50.1%	10.20	9.30	12.00	380.00	—	—	—	—	—	—
70	7	49.4%	9.80	7.50	10.00	390.00	—	—	—	—	—	—
23	1	50.1%	8.40	6.00	9.00	400.00	—	—	—	—	—	—
23	1	50.5%	7.20	6.60	8.00	410.00	—	—	—	—	—	—
17	1	53.1%	6.61	4.00	8.10	420.00	—	—	—	—	—	—

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 February 19, 2027 expiration, the CEG put/call ratio based on open interest is 1.06 (2,031 puts vs 1,920 calls), and 1.17 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 February 19, 2027 is about 47.1%, 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.