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: Jan 21, 2028
Days to expiration: 468
Share price: $224.94
Put/call ratio (OI): 1.84
Put/call ratio (volume): 1.02
ATM implied volatility: 53.6%
Expected move: ±$136.50
Open interest (C / P): 2.11K / 3.87K

GNRC options summary

The GNRC options chain for the January 21, 2028 expiration lists 49 call and 37 put contracts, with 468 days until expiration. Open interest stands at 2,107 calls and 3,872 puts, a put/call ratio of 1.84, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $220.00 strike is 53.6%, which implies the market expects a move of about ±$136.50 (60.7%) in Generac Holdlings stock by expiration.

The most open interest sits at the $270.00 call (350 contracts) and the $150.00 put (591 contracts).

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

GNRC options chain · January 21, 2028

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
25	1	80.5%	138.25	157.50	162.50	70.00	0.05	2.90	0.60	60.4%	2	55
0	2	—	138.80	0.00	0.00	75.00	0.00	3.10	0.81	57.6%	1	8
0	1	—	141.55	0.00	0.00	80.00	0.00	3.20	1.16	54.9%	1	6
2	1	—	160.55	125.50	129.00	85.00	0.05	3.30	2.75	52.4%	2	59
5	2	51.8%	80.00	132.50	137.00	90.00	0.60	3.50	3.46	51.8%	1	6
—	—	—	—	—	—	95.00	2.60	5.60	6.25	58.0%	1	7
10	1	68.0%	126.50	131.50	135.00	100.00	1.85	2.85	2.60	50.1%	1	28
0	—	—	108.01	0.00	0.00	105.00	0.55	4.50	5.60	53.5%	1	6
8	1	66.3%	89.40	123.00	127.50	110.00	2.30	6.00	4.40	55.3%	3	28
2	1	65.8%	83.10	119.50	123.50	115.00	3.40	7.00	5.60	50.2%	2	88
1	1	64.7%	102.50	115.50	119.50	120.00	4.20	7.30	6.40	53.0%	1	409
7	2	—	97.00	78.50	83.00	125.00	4.00	8.50	7.95	53.0%	1	41
10	2	63.2%	96.00	108.00	112.00	130.00	13.50	18.50	8.70	65.0%	9	53
0	1	—	160.87	0.00	0.00	135.00	6.70	11.00	11.02	52.7%	4	161
12	1	62.6%	69.00	101.00	105.50	140.00	7.90	12.00	11.60	51.8%	6	252
4	1	62.3%	102.40	98.00	102.00	145.00	9.70	13.50	13.70	51.7%	2	54
57	2	61.9%	87.75	94.50	99.00	150.00	11.30	13.70	13.30	49.3%	1	591
45	1	61.4%	80.00	91.50	95.50	155.00	12.70	16.50	18.69	51.0%	1	28
42	1	61.2%	77.45	88.50	92.50	160.00	14.50	17.70	18.10	50.0%	3	363
0	1	—	81.75	0.00	0.00	165.00	16.00	20.00	20.00	50.5%	5	21
26	1	60.4%	72.78	82.50	86.50	170.00	17.50	22.00	21.57	50.5%	2	342
38	1	60.2%	51.39	79.50	84.00	175.00	20.70	23.30	21.94	49.4%	2	16
16	1	59.9%	65.00	77.00	81.00	180.00	21.50	26.00	25.20	50.0%	7	124
21	1	59.5%	61.15	74.00	78.50	185.00	0.00	0.00	33.50	3.1%	10	0
40	1	58.9%	76.50	71.50	75.10	190.00	26.00	30.50	33.87	49.7%	1	20
44	1	59.4%	58.90	69.50	73.50	195.00	28.00	32.50	44.72	49.1%	10	23
115	6	59.4%	69.57	67.00	71.50	200.00	30.50	35.00	37.10	49.0%	3	114
150	2	59.1%	65.40	62.50	67.00	210.00	35.50	40.00	41.90	48.6%	120	126
30	11	58.9%	59.69	58.70	62.50	220.00	42.00	45.50	42.98	48.3%	1	8
GNRC $224.94
41	9	58.2%	57.05	54.50	58.00	230.00	47.00	51.50	50.75	48.2%	4	26
109	55	58.2%	54.00	51.00	54.50	240.00	67.00	71.50	64.55	59.6%	5	7
100	43	58.1%	48.50	47.50	51.50	250.00	59.00	63.50	75.38	47.2%	1	166
38	2	57.9%	24.71	44.00	48.50	260.00	66.00	70.50	77.30	47.3%	300	307
350	300	57.7%	36.70	41.00	45.50	270.00	—	—	—	—	—	—
48	3	57.6%	38.60	38.50	42.50	280.00	79.50	84.00	112.50	46.2%	2	10
18	3	57.3%	36.10	35.50	40.00	290.00	0.00	0.00	100.00	—	—	0
53	7	57.8%	36.60	34.00	37.90	300.00	94.50	99.00	108.30	45.8%	1	3
315	1	57.3%	35.60	31.50	35.00	310.00	102.00	106.50	114.00	45.2%	16	316
73	10	57.1%	31.78	29.30	33.00	320.00	—	—	—	—	—	—
42	1	57.1%	28.27	27.00	31.50	330.00	—	—	—	—	—	—
32	10	57.2%	28.28	25.50	29.70	340.00	—	—	—	—	—	—
21	1	57.0%	24.00	23.50	28.00	350.00	—	—	—	—	—	—
1	—	85.2%	48.25	50.00	54.50	360.00	—	—	—	—	—	—
26	2	56.9%	21.35	20.50	25.00	370.00	—	—	—	—	—	—
5	4	56.9%	19.25	19.30	23.50	380.00	—	—	—	—	—	—
7	3	57.0%	10.28	18.00	22.50	390.00	—	—	—	—	—	—
23	1	56.9%	13.00	16.50	21.50	400.00	—	—	—	—	—	—
9	5	57.0%	14.90	15.70	20.40	410.00	—	—	—	—	—	—
5	6	57.3%	16.35	15.00	19.50	420.00	—	—	—	—	—	—
81	7	56.5%	15.41	14.50	16.80	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 January 21, 2028 expiration, the GNRC put/call ratio based on open interest is 1.84 (3,872 puts vs 2,107 calls), and 1.02 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 January 21, 2028 is about 53.6%, 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.