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: Jan 21, 2028
Days to expiration: 468
Share price: $298.07
Put/call ratio (OI): 1.93
Put/call ratio (volume): 0.95
ATM implied volatility: 46.7%
Expected move: ±$157.76
Open interest (C / P): 6.80K / 13.14K

CEG options summary

The CEG options chain for the January 21, 2028 expiration lists 54 call and 46 put contracts, with 468 days until expiration. Open interest stands at 6,802 calls and 13,140 puts, a put/call ratio of 1.93, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $300.00 strike is 46.7%, which implies the market expects a move of about ±$157.76 (52.9%) in Constellation Energy stock by expiration.

The most open interest sits at the $400.00 call (537 contracts) and the $200.00 put (2.04K contracts).

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

CEG options chain · January 21, 2028

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
5	1	71.2%	153.00	185.50	189.50	120.00	1.85	3.70	2.20	51.6%	2	9
23	8	67.9%	184.40	180.00	184.50	125.00	2.10	3.10	2.80	50.8%	23	124
33	1	66.4%	137.00	175.50	180.00	130.00	2.65	3.10	2.95	48.8%	13	83
2	2	65.5%	143.00	171.50	175.50	135.00	3.00	4.00	5.00	49.8%	5	16
7	1	64.5%	170.48	167.00	171.50	140.00	3.40	5.10	3.90	50.9%	1	678
15	2	63.9%	126.65	163.00	167.50	145.00	3.80	5.90	4.80	50.9%	3	104
22	5	62.9%	168.72	159.00	163.00	150.00	4.50	7.50	6.70	52.5%	1	233
9	10	62.2%	125.50	155.00	159.00	155.00	5.10	6.80	8.10	48.9%	6	13
14	7	61.5%	151.04	151.00	155.00	160.00	5.30	7.70	9.00	48.8%	2	14
23	10	61.1%	150.00	147.00	151.50	165.00	6.70	9.10	9.10	49.5%	2	489
4	1	60.3%	115.90	143.00	147.50	170.00	7.50	9.30	8.55	47.9%	1	540
0	3	—	113.22	0.00	0.00	175.00	6.50	11.50	11.80	49.6%	4	18
26	1	59.2%	92.10	135.50	140.00	180.00	9.00	12.50	10.20	49.1%	1	577
7	2	58.6%	135.00	131.50	136.50	185.00	10.00	12.60	15.28	47.3%	2	217
13	2	57.9%	131.10	128.00	132.50	190.00	9.90	13.80	12.40	47.1%	11	296
9	2	57.5%	129.00	124.50	129.00	195.00	12.40	15.50	17.40	47.4%	1	169
246	1	57.0%	114.30	121.00	125.50	200.00	13.10	16.40	14.00	46.6%	44	2,041
27	5	56.5%	116.34	114.50	119.00	210.00	16.20	18.00	16.50	44.6%	2	260
151	2	55.7%	112.00	108.00	112.50	220.00	17.50	20.90	20.55	44.0%	3	988
171	4	54.5%	100.50	101.50	105.30	230.00	22.30	24.40	22.50	43.8%	4	958
44	16	54.1%	100.00	95.50	100.00	240.00	25.80	29.00	25.20	44.3%	3	974
397	1	53.5%	92.15	89.50	94.50	250.00	28.60	33.00	30.00	43.9%	2	636
82	6	53.1%	84.90	84.50	89.00	260.00	33.60	36.30	34.17	42.6%	1	360
200	5	52.6%	82.52	79.50	83.50	270.00	38.00	41.50	50.90	42.8%	10	1,094
257	2	52.5%	75.50	75.20	79.00	280.00	42.70	45.50	49.23	41.8%	1	579
105	3	52.0%	73.80	70.00	74.50	290.00	47.00	51.50	47.40	42.1%	1	148
CEG $298.07
311	5	51.6%	68.50	66.00	69.80	300.00	52.50	57.00	61.35	41.8%	3	575
498	10	51.8%	64.00	62.40	66.50	310.00	58.00	62.50	60.30	41.4%	1	37
141	5	51.3%	51.97	58.00	62.50	320.00	64.40	68.50	67.70	41.1%	1	19
150	1	50.9%	53.19	54.50	58.40	330.00	70.70	74.50	70.70	40.6%	9	354
77	19	50.4%	53.80	51.00	54.30	340.00	77.00	81.50	96.50	40.7%	3	319
202	24	50.8%	50.00	48.00	52.30	350.00	83.50	88.00	85.50	40.3%	10	44
352	30	50.6%	48.30	45.00	49.50	360.00	90.30	95.00	120.10	40.1%	15	24
300	2	50.5%	30.50	42.00	47.00	370.00	0.00	0.00	126.45	—	3	0
209	1	50.5%	29.10	39.50	44.50	380.00	129.00	133.50	96.30	56.0%	30	110
62	3	50.1%	25.00	37.00	41.40	390.00	96.50	100.50	90.20	24.8%	—	1
537	1	50.1%	37.80	35.00	38.90	400.00	120.00	124.50	126.00	38.8%	3	9
197	3	50.2%	34.30	33.00	37.10	410.00	—	—	—	—	—	—
75	2	50.2%	29.10	31.00	35.10	420.00	0.00	0.00	168.50	—	1	0
12	10	51.5%	31.90	29.00	32.90	430.00	—	—	—	—	—	—
27	1	50.4%	20.54	28.00	31.60	440.00	—	—	—	—	—	—
142	1	50.2%	28.31	25.50	30.50	450.00	161.00	165.50	167.89	37.6%	1	0
153	1	50.3%	26.81	24.50	28.60	460.00	—	—	—	—	—	—
151	1	50.3%	15.80	23.00	27.10	470.00	0.00	0.00	205.41	—	1	0
34	1	50.2%	24.60	21.50	25.80	480.00	187.00	192.00	222.26	37.2%	12	7
184	2	50.7%	22.30	21.20	24.60	490.00	196.00	201.00	227.60	37.0%	—	10
107	1	51.3%	21.60	20.70	24.00	500.00	227.50	232.00	268.50	56.0%	1	2
62	3	50.8%	12.80	17.80	21.50	520.00	227.50	232.50	275.56	41.6%	—	10
52	6	50.9%	18.23	15.50	20.00	540.00	—	—	—	—	—	—
219	7	51.4%	17.44	16.10	18.50	550.00	—	—	—	—	—	—
10	1	50.6%	15.74	13.50	17.90	560.00	—	—	—	—	—	—
136	7	50.8%	14.82	13.00	17.10	570.00	233.00	238.00	214.50	—	—	1
180	1	51.3%	13.90	13.20	16.30	580.00	—	—	—	—	—	—
330	4	51.0%	13.30	12.60	13.60	600.00	324.00	329.00	367.09	62.6%	—	0

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 January 21, 2028 expiration, the CEG put/call ratio based on open interest is 1.93 (13,140 puts vs 6,802 calls), and 0.95 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 January 21, 2028 is about 46.7%, 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.