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: Aug 20, 2027
Days to expiration: 313
Share price: $224.94
Put/call ratio (OI): 1.69
Put/call ratio (volume): 2.15
ATM implied volatility: 55.1%
Expected move: ±$114.82
Open interest (C / P): 445 / 752

GNRC options summary

The GNRC options chain for the August 20, 2027 expiration lists 35 call and 29 put contracts, with 313 days until expiration. Open interest stands at 445 calls and 752 puts, a put/call ratio of 1.69, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $220.00 strike is 55.1%, which implies the market expects a move of about ±$114.82 (51.0%) in Generac Holdlings stock by expiration.

The most open interest sits at the $210.00 call (166 contracts) and the $150.00 put (165 contracts).

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

GNRC options chain · August 20, 2027

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
2	4	71.3%	112.40	128.00	132.00	100.00	0.15	2.50	2.80	51.9%	1	6
2	—	68.8%	84.10	123.50	127.10	105.00	1.35	3.30	6.22	55.4%	—	1
2	1	66.7%	100.40	119.00	122.40	110.00	1.30	2.45	1.85	53.1%	13	13
—	—	—	—	—	—	115.00	1.80	3.70	2.35	51.7%	1	2
—	—	—	—	—	—	120.00	1.25	4.20	5.69	54.7%	—	1
4	—	64.7%	66.26	106.60	110.20	125.00	1.95	4.90	3.80	54.2%	2	77
—	—	—	—	—	—	130.00	3.50	4.60	4.20	50.3%	8	13
2	2	63.5%	60.38	98.70	102.40	135.00	3.50	7.40	8.10	50.1%	2	37
—	—	—	—	—	—	140.00	4.80	8.30	7.05	50.3%	4	8
2	1	62.3%	74.77	91.40	94.70	145.00	6.10	9.50	8.46	50.6%	7	5
13	5	61.9%	72.30	87.90	91.10	150.00	7.50	10.90	9.85	50.9%	2	165
—	—	—	—	—	—	155.00	8.50	12.30	10.30	50.5%	1	2
—	—	—	—	—	—	160.00	10.10	12.60	10.60	51.9%	5	17
1	—	60.8%	78.00	77.80	80.90	165.00	11.60	15.00	19.48	50.1%	4	4
1	—	61.0%	50.50	74.60	78.40	170.00	12.90	17.00	27.96	50.0%	1	7
4	1	60.7%	56.70	71.60	75.30	175.00	14.70	18.50	20.14	52.8%	1	25
2	—	60.1%	39.45	68.70	71.80	180.00	16.60	20.50	22.35	52.8%	42	64
2	1	60.2%	53.00	65.80	69.50	185.00	18.70	22.50	24.85	52.6%	1	2
4	2	59.9%	53.90	63.20	66.40	190.00	20.80	24.50	30.10	52.2%	4	104
8	5	59.5%	43.80	60.50	63.50	195.00	23.00	27.00	25.75	52.4%	1	8
15	2	59.3%	55.89	58.00	61.00	200.00	25.30	29.00	29.69	51.8%	1	128
166	1	59.1%	44.50	53.10	56.30	210.00	30.10	34.00	38.50	51.6%	2	13
8	3	58.7%	45.95	48.50	51.90	220.00	35.40	39.50	40.20	51.5%	4	15
GNRC $224.94
15	1	58.0%	45.60	44.30	47.00	230.00	40.80	45.00	46.60	51.0%	3	10
17	1	58.3%	42.44	40.30	44.20	240.00	47.00	50.60	52.70	50.1%	1	3
8	1	57.9%	34.56	36.50	40.70	250.00	—	—	—	—	—	—
27	2	57.8%	31.00	33.50	37.40	260.00	0.00	0.00	75.30	—	—	0
12	1	57.6%	25.56	30.60	34.40	270.00	82.80	86.50	59.00	66.2%	1	11
22	2	57.8%	25.70	28.00	32.10	280.00	90.00	94.00	60.50	66.2%	1	11
1	1	57.8%	24.29	25.50	29.80	290.00	—	—	—	—	—	—
64	1	57.7%	21.91	23.30	27.40	300.00	—	—	—	—	—	—
3	2	57.7%	22.41	21.20	25.50	310.00	—	—	—	—	—	—
8	3	57.5%	13.20	19.10	23.60	320.00	—	—	—	—	—	—
6	1	57.6%	15.70	17.80	21.70	330.00	—	—	—	—	—	—
4	1	57.5%	9.10	16.00	20.20	340.00	—	—	—	—	—	—
10	3	57.6%	16.39	14.80	18.70	350.00	—	—	—	—	—	—
0	1	12.5%	13.47	0.00	0.00	390.00	—	—	—	—	—	—
4	1	55.5%	16.50	8.40	11.50	400.00	—	—	—	—	—	—
0	1	12.5%	32.97	0.00	0.00	410.00	—	—	—	—	—	—
0	—	12.5%	13.20	0.00	0.00	420.00	—	—	—	—	—	—
6	2	57.3%	3.70	7.00	10.30	430.00	204.90	208.10	219.35	44.3%	1	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 GNRC put/call ratio?

For the August 20, 2027 expiration, the GNRC put/call ratio based on open interest is 1.69 (752 puts vs 445 calls), and 2.15 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 August 20, 2027 is about 55.1%, 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.