Generac Holdlings (GNRC) Options Chain

NYSE: GNRCConsumer DiscretionaryMetal FabricationsUSD

224.94+0.54 (+0.24%)

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

Expiration date

Expiration: Dec 18, 2026
Days to expiration: 68
Share price: $224.94
Put/call ratio (OI): 0.89
Put/call ratio (volume): 0.34
ATM implied volatility: 52.3%
Expected move: ±$50.82
Open interest (C / P): 2.27K / 2.02K

GNRC options summary

The GNRC options chain for the December 18, 2026 expiration lists 43 call and 40 put contracts, with 68 days until expiration. Open interest stands at 2,272 calls and 2,024 puts, a put/call ratio of 0.89, which is fairly balanced between calls and puts. At-the-money implied volatility near the $220.00 strike is 52.3%, which implies the market expects a move of about ±$50.82 (22.6%) in Generac Holdlings stock by expiration.

The most open interest sits at the $180.00 call (281 contracts) and the $200.00 put (253 contracts).

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

GNRC options chain · December 18, 2026

GNRC 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
—	—	—	—	—	—	70.00	0.00	2.15	0.15	148.1%	2	3
0	—	—	198.60	0.00	0.00	75.00	0.00	2.25	0.05	141.1%	1	2
3	—	499.4%	189.00	188.00	191.90	80.00	0.00	3.30	2.64	143.7%	—	1
3	1	—	150.80	117.80	122.00	85.00	0.00	0.00	1.77	50.0%	1	0
—	—	—	—	—	—	90.00	0.85	3.80	4.62	138.7%	—	1
0	1	—	114.73	0.00	0.00	95.00	0.00	0.95	0.15	97.6%	2	10
—	—	—	—	—	—	100.00	0.00	2.50	1.90	109.2%	1	6
2	2	—	71.60	95.00	98.70	110.00	0.10	2.25	2.00	96.5%	1	2
—	—	—	—	—	—	115.00	0.00	0.55	0.25	71.6%	3	49
1	1	89.4%	88.00	104.20	108.50	120.00	0.00	1.95	1.18	83.1%	3	25
0	15	—	158.60	0.00	0.00	125.00	0.00	0.95	0.40	69.0%	2	114
2	1	79.5%	80.15	94.40	98.30	130.00	0.00	1.35	0.62	69.0%	1	33
1	—	77.6%	74.44	89.70	93.50	135.00	0.00	0.95	0.66	61.0%	4	34
0	1	—	83.54	0.00	0.00	140.00	0.00	2.60	0.91	69.2%	4	91
9	5	66.0%	73.15	80.10	82.60	145.00	0.00	2.90	3.05	66.5%	2	121
87	8	65.0%	68.35	75.30	78.10	150.00	0.30	1.80	0.95	58.0%	1	91
23	3	63.6%	63.85	70.70	73.40	155.00	0.70	2.10	2.08	57.6%	1	11
11	4	65.0%	69.80	66.00	69.80	160.00	0.35	3.50	1.70	57.9%	1	145
9	2	63.7%	52.00	61.40	65.50	165.00	0.60	3.70	2.45	55.3%	13	60
3	1	60.2%	49.40	57.10	60.20	170.00	1.10	3.90	3.73	53.4%	1	113
102	1	58.8%	19.45	52.60	56.00	175.00	2.45	4.60	3.50	54.8%	8	77
281	4	56.2%	47.00	48.40	51.10	180.00	3.30	4.70	4.10	52.6%	2	72
3	3	56.4%	45.09	44.80	47.10	185.00	4.40	5.40	5.29	51.9%	1	157
48	2	56.4%	42.30	40.70	43.90	190.00	4.60	6.40	6.30	53.0%	2	239
42	6	55.0%	33.95	37.30	39.50	195.00	6.60	7.80	8.20	50.8%	2	66
122	4	54.3%	34.50	33.70	36.00	200.00	7.50	9.30	9.80	52.4%	3	253
243	5	54.5%	28.10	27.70	30.00	210.00	11.80	13.10	13.60	50.5%	5	20
173	30	54.4%	23.00	22.50	24.50	220.00	16.50	17.50	21.30	50.3%	4	25
GNRC $224.94
52	19	53.5%	18.48	17.40	19.90	230.00	21.60	24.00	23.80	51.2%	2	135
28	4	55.4%	14.45	14.30	16.80	240.00	27.60	30.20	38.90	51.0%	2	35
151	22	54.1%	11.50	11.10	12.70	250.00	52.50	55.40	52.70	98.4%	4	8
109	2	54.0%	9.33	8.70	9.90	260.00	73.20	76.60	72.75	134.4%	1	13
106	8	54.9%	7.90	5.80	9.20	270.00	69.30	72.00	70.45	105.0%	1	5
61	8	52.9%	6.03	3.60	6.90	280.00	0.00	0.00	41.70	—	—	0
28	10	55.0%	3.27	3.00	6.00	290.00	87.00	90.30	74.29	112.5%	2	4
125	6	55.0%	3.45	2.80	4.10	300.00	96.10	99.60	71.70	116.0%	1	1
195	10	57.5%	2.12	2.10	4.10	310.00	105.30	109.10	78.00	119.7%	1	2
37	13	55.7%	2.60	1.00	3.20	320.00	—	—	—	—	—	—
61	1	54.6%	1.65	0.65	2.25	330.00	—	—	—	—	—	—
42	1	60.7%	1.85	0.35	3.30	340.00	—	—	—	—	—	—
42	2	63.1%	1.05	0.70	2.75	350.00	124.00	127.10	138.90	50.4%	8	0
5	1	64.2%	0.75	0.00	3.00	360.00	—	—	—	—	—	—
31	30	66.6%	1.00	0.05	2.85	370.00	—	—	—	—	—	—
13	2	66.7%	0.88	0.00	2.35	380.00	—	—	—	—	—	—
—	—	—	—	—	—	390.00	163.10	167.00	178.20	76.2%	1	0
17	10	72.7%	0.30	0.00	2.55	400.00	—	—	—	—	—	—
—	—	—	—	—	—	410.00	220.70	224.60	204.00	203.2%	—	0
0	31	25.0%	1.50	0.00	0.00	420.00	—	—	—	—	—	—
1	—	78.0%	1.35	0.00	2.25	430.00	—	—	—	—	—	—

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 GNRC put/call ratio?

For the December 18, 2026 expiration, the GNRC put/call ratio based on open interest is 0.89 (2,024 puts vs 2,272 calls), and 0.34 based on today's volume. A ratio above 1 means more puts than calls.

What is GNRC's implied volatility?

At-the-money implied volatility for GNRC options expiring December 18, 2026 is about 52.3%, an annualized estimate of how much the market expects Generac Holdlings stock to move.

How many GNRC option expiration dates are there?

GNRC has 14 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.