NRG Energy (NRG) Options Chain

NYSE: NRGUtilitiesElectric Utilities: CentralUSD

107.97+1.65 (+1.55%)

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

Expiration date

Expiration: Dec 18, 2026
Days to expiration: 68
Share price: $107.97
Put/call ratio (OI): 0.31
Put/call ratio (volume): 0.47
ATM implied volatility: 54.0%
Expected move: ±$25.19
Open interest (C / P): 40.79K / 12.78K

NRG options summary

The NRG options chain for the December 18, 2026 expiration lists 41 call and 36 put contracts, with 68 days until expiration. Open interest stands at 40,789 calls and 12,777 puts, a put/call ratio of 0.31, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $110.00 strike is 54.0%, which implies the market expects a move of about ±$25.19 (23.3%) in NRG Energy stock by expiration.

The most open interest sits at the $135.00 call (10.93K contracts) and the $55.00 put (2.54K contracts).

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

NRG options chain · December 18, 2026

NRG 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
2	1	406.5%	95.00	87.10	91.00	30.00	0.00	1.80	0.94	180.1%	—	1
0	2	—	112.50	124.00	128.50	35.00	0.00	0.55	0.05	128.8%	1	3
4	1	—	57.50	64.00	67.50	40.00	0.00	0.75	0.28	120.5%	1	1,008
2	2	287.8%	83.75	72.20	76.10	45.00	0.00	0.00	0.05	50.0%	1	0
9	4	88.1%	59.00	56.20	60.20	50.00	0.00	0.00	0.25	50.0%	2	0
30	3	161.6%	95.29	55.60	59.70	55.00	0.00	0.75	0.57	85.0%	1	2,541
4	1	102.3%	45.01	46.30	49.50	60.00	0.00	0.30	0.30	64.7%	1	25
6	2	89.1%	30.93	41.40	44.40	65.00	0.00	0.55	0.15	62.6%	6	299
0	1	—	50.30	0.00	0.00	70.00	0.05	0.65	0.38	57.1%	1	41
24	1	71.2%	40.61	31.90	34.60	75.00	0.50	0.75	0.75	55.6%	26	238
48	1	50.9%	28.20	27.60	30.00	80.00	0.95	1.25	1.55	54.9%	2	126
8	1	60.1%	15.25	23.10	25.40	85.00	1.10	2.00	1.70	51.4%	9	261
98	2	59.7%	21.00	19.10	21.60	90.00	2.45	3.00	2.79	52.7%	8	2,414
28	7	52.1%	10.03	16.30	17.80	95.00	3.80	4.50	4.30	52.6%	2	1,578
207	18	52.7%	13.64	13.20	14.80	100.00	5.50	6.40	6.00	52.3%	257	660
523	19	52.9%	11.09	10.80	11.80	105.00	7.90	8.70	8.20	52.7%	1	275
NRG $107.97
1,355	8	52.6%	8.80	8.40	9.50	110.00	10.40	12.60	11.20	55.4%	16	1,420
1,271	9	53.3%	7.03	6.70	7.60	115.00	13.60	14.70	13.90	53.2%	2	904
409	7	53.5%	5.40	5.20	6.00	120.00	17.00	19.00	23.62	55.6%	1	171
4,689	6	54.3%	4.60	4.10	4.80	125.00	20.20	22.80	21.00	54.4%	3	175
586	10	53.4%	3.30	2.90	3.70	130.00	24.60	26.20	25.46	53.9%	10	212
10,931	32	55.5%	2.56	2.45	3.10	135.00	28.90	31.10	29.60	56.9%	1	89
766	1	55.1%	2.10	1.80	2.35	140.00	33.30	35.70	36.16	58.4%	1	121
1,740	21	56.8%	1.60	1.40	2.10	145.00	37.80	40.40	37.17	59.8%	2	58
245	4	56.2%	1.22	1.05	1.50	150.00	42.50	44.90	50.89	60.4%	2	123
569	11	56.7%	0.95	0.80	1.20	155.00	47.30	49.60	44.42	61.8%	2	7
443	2	57.4%	0.80	0.60	1.00	160.00	52.10	54.40	44.20	63.1%	5	4
5,992	3	57.7%	0.60	0.50	0.75	165.00	56.90	59.30	58.65	64.7%	7	0
3,632	28	57.8%	0.55	0.15	0.80	170.00	0.00	0.00	41.00	—	9	0
34	20	58.9%	0.50	0.10	0.70	175.00	25.00	27.90	34.60	—	6	21
525	1	61.6%	0.50	0.05	0.75	180.00	60.20	63.40	45.40	—	1	1
29	1	62.8%	0.30	0.00	0.70	185.00	57.40	60.50	38.00	—	1	1
32	10	63.7%	0.13	0.00	0.60	190.00	69.50	73.40	60.70	—	1	0
300	1	65.2%	0.45	0.00	0.55	195.00	0.00	0.00	36.50	—	—	0
6,045	1	63.3%	0.17	0.05	0.30	200.00	—	—	—	—	—	—
12	4	69.7%	0.11	0.00	0.45	210.00	55.80	60.20	51.43	—	1	0
7	1	78.5%	1.55	0.00	0.70	220.00	0.00	0.00	55.60	—	1	0
0	585	25.0%	0.05	0.00	0.00	230.00	—	—	—	—	—	—
88	1	87.0%	1.55	0.00	0.75	240.00	—	—	—	—	—	—
82	1	93.8%	1.11	0.00	0.95	250.00	—	—	—	—	—	—
14	1	111.1%	0.85	0.00	2.15	260.00	—	—	—	—	—	—

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 NRG put/call ratio?

For the December 18, 2026 expiration, the NRG put/call ratio based on open interest is 0.31 (12,777 puts vs 40,789 calls), and 0.47 based on today's volume. A ratio above 1 means more puts than calls.

What is NRG's implied volatility?

At-the-money implied volatility for NRG options expiring December 18, 2026 is about 54.0%, an annualized estimate of how much the market expects NRG Energy stock to move.

How many NRG option expiration dates are there?

NRG has 13 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.