Vistra (VST) Options Chain

NYSE: VSTUtilitiesElectric Utilities: CentralUSD

161.48+5.34 (+3.42%)

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

Expiration date

Expiration: Dec 18, 2026
Days to expiration: 68
Share price: $161.48
Put/call ratio (OI): 0.55
Put/call ratio (volume): 0.92
ATM implied volatility: 48.9%
Expected move: ±$34.09
Open interest (C / P): 46.26K / 25.57K

VST options summary

The VST options chain for the December 18, 2026 expiration lists 42 call and 33 put contracts, with 68 days until expiration. Open interest stands at 46,257 calls and 25,573 puts, a put/call ratio of 0.55, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $160.00 strike is 48.9%, which implies the market expects a move of about ±$34.09 (21.1%) in Vistra stock by expiration.

The most open interest sits at the $180.00 call (9.70K contracts) and the $125.00 put (4.57K contracts).

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

VST options chain · December 18, 2026

VST 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	6	105.5%	85.00	90.05	94.20	70.00	0.00	0.10	0.03	74.0%	4	52
4	2	100.2%	72.40	85.20	89.25	75.00	0.00	0.45	0.23	82.4%	3	34
46	1	92.7%	79.03	80.15	84.30	80.00	0.00	0.25	0.10	70.1%	1	99
6	1	83.9%	75.40	75.70	78.60	85.00	0.03	0.23	0.06	64.9%	2	270
5	1	81.5%	47.20	70.80	73.90	90.00	0.00	0.88	0.08	71.7%	6	55
14	1	76.2%	43.20	65.90	68.95	95.00	0.00	0.54	0.12	60.7%	7	56
55	6	69.1%	58.06	61.00	63.75	100.00	0.09	0.24	0.20	51.6%	9	416
61	2	64.3%	57.29	56.15	58.75	105.00	0.11	0.36	0.23	53.0%	11	478
59	2	60.8%	48.17	51.25	54.00	110.00	0.40	0.49	0.42	50.8%	33	2,519
30	1	57.6%	44.35	46.50	49.20	115.00	0.52	1.01	0.70	50.2%	12	1,004
264	1	56.0%	40.71	41.95	44.65	120.00	1.00	1.20	1.05	50.1%	54	2,128
70	2	52.1%	35.29	37.30	39.80	125.00	1.50	1.69	1.55	49.0%	131	4,570
180	8	52.0%	34.25	33.40	35.45	130.00	2.08	2.60	2.29	49.8%	99	3,924
839	7	54.6%	30.70	30.45	31.60	135.00	2.81	3.35	3.22	48.1%	250	3,665
726	33	52.3%	26.80	26.35	27.60	140.00	3.70	4.60	4.39	48.0%	23	961
559	20	51.4%	22.82	22.85	24.00	145.00	5.70	6.05	5.80	47.6%	32	641
1,177	15	52.0%	20.00	19.95	21.05	150.00	7.50	7.90	7.67	47.6%	62	1,431
794	315	51.0%	17.42	17.00	17.90	155.00	9.25	9.90	9.83	47.0%	59	1,623
3,724	174	50.5%	14.85	14.45	15.15	160.00	11.80	12.45	11.90	47.4%	95	468
VST $161.48
2,531	90	50.1%	12.42	11.95	13.00	165.00	14.00	16.25	15.00	51.0%	12	707
6,530	73	51.3%	10.45	10.00	10.85	170.00	16.85	19.20	20.15	50.7%	12	241
642	26	50.2%	8.90	8.60	9.10	175.00	20.40	21.60	21.50	47.4%	10	109
9,703	71	50.4%	7.42	7.15	7.70	180.00	24.45	26.25	21.55	51.6%	6	41
2,697	26	50.5%	6.15	5.95	6.40	185.00	49.10	51.55	41.59	126.2%	2	13
449	26	50.8%	4.70	4.90	5.45	190.00	31.95	34.00	33.10	52.1%	3	11
243	15	51.0%	3.95	3.90	4.70	195.00	35.55	38.20	58.96	52.8%	1	4
2,282	60	50.8%	3.65	3.35	3.65	200.00	40.60	42.35	36.68	52.5%	3	22
257	3	51.3%	2.66	2.78	3.10	205.00	56.45	59.00	47.85	99.6%	1	1
5,306	8	52.4%	2.54	2.28	2.89	210.00	49.45	51.75	72.80	56.2%	10	20
411	1	52.5%	1.90	2.05	2.21	215.00	—	—	—	—	—	—
413	10	52.4%	1.67	1.42	2.01	220.00	58.10	60.80	77.10	56.5%	1	1
115	1	52.1%	2.29	1.09	1.64	225.00	—	—	—	—	—	—
860	1	53.5%	1.21	1.02	1.48	230.00	—	—	—	—	—	—
2,813	2	53.4%	1.01	0.78	1.24	235.00	—	—	—	—	—	—
124	6	53.9%	1.35	0.51	1.20	240.00	77.70	81.05	83.60	53.9%	—	4
52	2	54.6%	0.97	0.40	1.10	245.00	—	—	—	—	—	—
1,104	2	55.1%	0.68	0.51	0.78	250.00	—	—	—	—	—	—
45	2	54.8%	0.61	0.19	0.83	255.00	—	—	—	—	—	—
118	1	56.6%	0.80	0.15	0.86	260.00	—	—	—	—	—	—
19	1	56.6%	0.60	0.07	0.76	265.00	98.00	102.35	97.52	—	—	5
42	9	57.9%	0.75	0.04	0.75	270.00	106.25	109.55	107.87	68.2%	2	0
883	2	60.1%	0.21	0.00	0.70	280.00	—	—	—	—	—	—

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 VST put/call ratio?

For the December 18, 2026 expiration, the VST put/call ratio based on open interest is 0.55 (25,573 puts vs 46,257 calls), and 0.92 based on today's volume. A ratio above 1 means more puts than calls.

What is VST's implied volatility?

At-the-money implied volatility for VST options expiring December 18, 2026 is about 48.9%, an annualized estimate of how much the market expects Vistra stock to move.

How many VST option expiration dates are there?

VST has 17 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.