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GNRC
GENERAC HOLDINGS INC
stock NYSE

At Close

Aug 18, 2026 3:59:52 PM EDT

211.67USD-4.330%(-9.58)853,281

203.68Bid 222.55Ask 18.87Spread

Pre-market

Aug 18, 2026 9:23:30 AM EDT

215.50USD-2.599%(-5.75)764

After-hours

Aug 18, 2026 4:53:30 PM EDT

211.60USD-0.033%(-0.07)16,353

OverviewOption ChainHistoricalExchangesShortsMore

Expiration Dates

Aug 21, 2026 Aug 28, 2026 Sep 4, 2026 Sep 11, 2026 Sep 18, 2026 Sep 25, 2026 Oct 2, 2026 Nov 20, 2026 Dec 18, 2026 Jan 15, 2027 Feb 19, 2027 May 21, 2027 Aug 20, 2027 Nov 19, 2027 Jan 21, 2028

ITM/OTM for Nov 20, 2026View All Dates

Calls ITM	Calls OTM	Puts ITM	Puts OTM
419	1,106	460	2,434

GNRC Nov 20, 2026 Exp. - Volume by Strike

Puts

Calls

GNRC Nov 20, 2026 Exp. - Open Interest by Strike

Puts

Calls

GNRC Nov 20, 2026 Exp. - Max Pain @ $220.00

Puts

Calls

GNRC Nov 20, 2026 Exp. - Option Chain

In the Money (ITM)

Calls

Strike	Price	Change	Vol	OI	Last	Contract Name
430 C	0.90	+5.88%	2	15	08-05	GNRC261120C00430000
420 C	3.40	-72.60%	2	16	07-14	GNRC261120C00420000
410 C	2.70	-74.04%	1	3	07-20	GNRC261120C00410000
400 C	0.10	-90.57%	1	10	08-10	GNRC261120C00400000
390 C	4.10	-67.97%	2	42	07-16	GNRC261120C00390000
380 C	20.43	+23.82%	1	1	06-30	GNRC261120C00380000
370 C	1.85	0%	3	3	08-07	GNRC261120C00370000
360 C	1.80	-92.26%	3	3	08-14	GNRC261120C00360000
350 C	2.55	-5.56%	6	9	08-12	GNRC261120C00350000
340 C	11.64	-38.09%	20	22	07-07	GNRC261120C00340000
330 C	3.07	-14.72%	3	10	08-14	GNRC261120C00330000
320 C	7.00	+100.00%	1	16	08-05	GNRC261120C00320000
310 C	6.90	-5.48%	16	67	08-05	GNRC261120C00310000
300 C	5.70	-3.39%	2	60	08-17	GNRC261120C00300000
290 C	7.80	-0.64%	1	69	08-13	GNRC261120C00290000
280 C	8.50	-9.57%	1	84	08-14	GNRC261120C00280000
270 C	10.40	+0.39%	11	135	08-17	GNRC261120C00270000
260 C	13.38	+2.92%	1	59	08-17	GNRC261120C00260000
250 C	15.70	+2.48%	2	52	08-14	GNRC261120C00250000
240 C	19.20	-8.13%	6	141	08-14	GNRC261120C00240000
230 C	22.45	+4.91%	4	69	08-14	GNRC261120C00230000
220 C	26.50	+2.71%	4	220	08-17	GNRC261120C00220000
210 C	32.60	-3.52%	1	120	08-13	GNRC261120C00210000
200 C	36.96	+2.95%	2	75	08-14	GNRC261120C00200000
195 C	43.22	+34.02%	1	11	08-04	GNRC261120C00195000
190 C	43.10	-8.82%	2	126	08-14	GNRC261120C00190000
185 C	31.50	0%	75	59	07-30	GNRC261120C00185000
180 C	50.40	-2.51%	1	4	08-14	GNRC261120C00180000
175 C	47.06	-49.37%	1	2	08-10	GNRC261120C00175000
170 C	59.00	+16.83%	1	3	08-17	GNRC261120C00170000
165 C	44.80	-11.81%	3	6	07-31	GNRC261120C00165000
160 C	68.27	0%	1	1	08-05	GNRC261120C00160000
155 C	48.95	0%	1	1	07-30	GNRC261120C00155000
150 C	72.55	+20.72%	2	3	08-13	GNRC261120C00150000
145 C	0	0%	0			GNRC261120C00145000
140 C	82.20	+21.78%	1	3	08-14	GNRC261120C00140000
135 C	87.15	+24.15%	1	3	07-23	GNRC261120C00135000
130 C	0	0%	0			GNRC261120C00130000
125 C	0	0%	0			GNRC261120C00125000
120 C	81.50	0%	1	1	03-25	GNRC261120C00120000
115 C	0	0%	0			GNRC261120C00115000
110 C	0	0%	0			GNRC261120C00110000
105 C	0	0%	0			GNRC261120C00105000
100 C	111.00	+13.96%	1	1	08-04	GNRC261120C00100000

Puts

Strike	Price	Change	Vol	OI	Last	Contract Name
430 P	185.00	0%	1	1	07-07	GNRC261120P00430000
420 P	0	0%	0			GNRC261120P00420000
410 P	0	0%	0			GNRC261120P00410000
400 P	184.50	+26.94%	1	1	08-14	GNRC261120P00400000
390 P	0	0%	0			GNRC261120P00390000
380 P	0	0%	0			GNRC261120P00380000
370 P	0	0%	0			GNRC261120P00370000
360 P	102.90	0%	1	1	05-15	GNRC261120P00360000
350 P	94.70	0%	1	1	05-15	GNRC261120P00350000
340 P	0	0%	0			GNRC261120P00340000
330 P	0	0%	0			GNRC261120P00330000
320 P	64.40	0%	1	1	06-24	GNRC261120P00320000
310 P	0	0%	0			GNRC261120P00310000
300 P	69.30	+32.50%	3	2	07-02	GNRC261120P00300000
290 P	41.53	0%	3	3	06-25	GNRC261120P00290000
280 P	50.00	+20.19%	1	2	07-02	GNRC261120P00280000
270 P	48.90	+34.71%	1	9	07-02	GNRC261120P00270000
260 P	53.47	+0.58%	1	56	08-06	GNRC261120P00260000
250 P	43.85	-5.64%	1	148	08-14	GNRC261120P00250000
240 P	39.40	-31.31%	6	11	08-05	GNRC261120P00240000
230 P	31.12	-31.53%	1	74	08-13	GNRC261120P00230000
220 P	22.30	-14.23%	2	150	08-17	GNRC261120P00220000
210 P	18.40	-9.14%	9	167	08-17	GNRC261120P00210000
200 P	15.36	-14.67%	29	289	08-12	GNRC261120P00200000
195 P	13.54	-23.93%	4	80	08-14	GNRC261120P00195000
190 P	12.00	-6.76%	31	439	08-14	GNRC261120P00190000
185 P	10.00	0.00%	3	25	08-13	GNRC261120P00185000
180 P	9.50	+11.76%	11	42	08-13	GNRC261120P00180000
175 P	8.22	+8.16%	15	58	08-13	GNRC261120P00175000
170 P	6.00	-20.63%	10	97	08-13	GNRC261120P00170000
165 P	5.20	-14.75%	1	37	08-13	GNRC261120P00165000
160 P	3.80	-9.95%	1	40	08-17	GNRC261120P00160000
155 P	3.52	-26.21%	5	1,010	08-14	GNRC261120P00155000
150 P	2.98	-12.35%	30	69	08-14	GNRC261120P00150000
145 P	2.35	-24.19%	5	47	08-12	GNRC261120P00145000
140 P	7.83	+72.47%	3	4	07-27	GNRC261120P00140000
135 P	2.90	-44.34%	1	4	08-04	GNRC261120P00135000
130 P	4.00	+183.69%	1	3	07-29	GNRC261120P00130000
125 P	3.10	+26.53%	1	2	07-22	GNRC261120P00125000
120 P	0.97	-57.83%	1	5	08-06	GNRC261120P00120000
115 P	0	0%	0			GNRC261120P00115000
110 P	1.62	-33.33%	1	6	07-30	GNRC261120P00110000
105 P	1.70	+25.93%	1	6	07-16	GNRC261120P00105000
100 P	1.10	-52.17%	1	4	07-13	GNRC261120P00100000

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GNRC Nov 20, 2026 Exp. - Open Interest by Strike

GNRC Nov 20, 2026 Exp. - Max Pain @ $220.00

GNRC
GENERAC HOLDINGS INC
stock NYSE