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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 ChainMax PainOption ChainHistoricalExchange VolumeDark Pool LevelsDark Pool PrintsExchangesShort VolumeShort Interest - DailyShort InterestBorrow Fee (CTB)Failure to Deliver (FTD)ShortsTrendsNewsMore
Expiration Dates
Aug 21, 2026Aug 28, 2026Sep 4, 2026Sep 11, 2026Sep 18, 2026Sep 25, 2026Oct 2, 2026Nov 20, 2026Dec 18, 2026Jan 15, 2027Feb 19, 2027May 21, 2027Aug 20, 2027Nov 19, 2027Jan 21, 2028

ITM/OTM for May 21, 2027View All Dates
Calls ITMCalls OTMPuts ITMPuts OTM
3929331122


GNRC May 21, 2027 Exp. - Volume by Strike
Puts
Calls

GNRC May 21, 2027 Exp. - Open Interest by Strike

Puts
Calls

GNRC May 21, 2027 Exp. - Max Pain @ $210.00

Puts
Calls


GNRC May 21, 2027 Exp. - Option Chain
In the Money (ITM)
Calls
StrikePriceChangeVolOILastContract Name
430 C8.60-70.34%3207-23GNRC270521C00430000
420 C00%0GNRC270521C00420000
410 C33.600%3306-25GNRC270521C00410000
400 C12.74-19.82%13607-17GNRC270521C00400000
390 C8.02-79.63%1207-28GNRC270521C00390000
380 C00%0GNRC270521C00380000
370 C27.960%1105-13GNRC270521C00370000
360 C12.50-72.89%14707-24GNRC270521C00360000
350 C14.00-6.67%21008-17GNRC270521C00350000
340 C14.80-71.05%1208-11GNRC270521C00340000
330 C16.100%1108-11GNRC270521C00330000
320 C17.00-24.75%1807-24GNRC270521C00320000
310 C26.00-55.09%81807-16GNRC270521C00310000
300 C21.76+2.40%15108-14GNRC270521C00300000
290 C17.77-38.72%11707-31GNRC270521C00290000
280 C19.02-11.94%22707-30GNRC270521C00280000
270 C27.20-19.29%1907-29GNRC270521C00270000
260 C25.90-30.75%51507-27GNRC270521C00260000
250 C25.95+3.39%182007-31GNRC270521C00250000
240 C37.00+4.23%21108-11GNRC270521C00240000
230 C45.30-7.51%1508-12GNRC270521C00230000
220 C46.60+34.68%2808-11GNRC270521C00220000
210 C50.00+8.70%52408-17GNRC270521C00210000
200 C44.03-0.61%2407-29GNRC270521C00200000
195 C48.30-6.40%1108-03GNRC270521C00195000
190 C00%0GNRC270521C00190000
185 C00%0GNRC270521C00185000
180 C71.00+11.29%2608-13GNRC270521C00180000
175 C00%0GNRC270521C00175000
170 C00%0GNRC270521C00170000
165 C00%0GNRC270521C00165000
160 C00%0GNRC270521C00160000
155 C82.750%1107-22GNRC270521C00155000
150 C85.700%4008-17GNRC270521C00150000
145 C00%0GNRC270521C00145000
140 C77.120%1107-29GNRC270521C00140000
135 C00%0GNRC270521C00135000
130 C00%0GNRC270521C00130000
125 C117.69-27.83%1207-08GNRC270521C00125000
120 C00%0GNRC270521C00120000
115 C00%0GNRC270521C00115000
110 C00%0GNRC270521C00110000
105 C00%0GNRC270521C00105000
100 C00%0GNRC270521C00100000
Puts
StrikePriceChangeVolOILastContract Name
430 P00%0GNRC270521P00430000
420 P00%0GNRC270521P00420000
410 P00%0GNRC270521P00410000
400 P00%0GNRC270521P00400000
390 P00%0GNRC270521P00390000
380 P00%0GNRC270521P00380000
370 P00%0GNRC270521P00370000
360 P00%0GNRC270521P00360000
350 P00%0GNRC270521P00350000
340 P00%0GNRC270521P00340000
330 P81.400%2106-22GNRC270521P00330000
320 P00%0GNRC270521P00320000
310 P00%0GNRC270521P00310000
300 P00%0GNRC270521P00300000
290 P00%0GNRC270521P00290000
280 P53.500%2206-25GNRC270521P00280000
270 P49.80+0.61%1406-24GNRC270521P00270000
260 P49.80+8.26%1406-01GNRC270521P00260000
250 P65.90+5.95%2607-22GNRC270521P00250000
240 P55.80+67.87%3707-15GNRC270521P00240000
230 P00%0GNRC270521P00230000
220 P49.60+41.43%1708-03GNRC270521P00220000
210 P36.50+28.52%1308-05GNRC270521P00210000
200 P37.70-12.57%21508-03GNRC270521P00200000
195 P00%0GNRC270521P00195000
190 P35.00-7.77%5907-31GNRC270521P00190000
185 P00%0GNRC270521P00185000
180 P23.000%1107-08GNRC270521P00180000
175 P00%0GNRC270521P00175000
170 P19.28-3.60%106608-11GNRC270521P00170000
165 P00%0GNRC270521P00165000
160 P20.550%5507-29GNRC270521P00160000
155 P00%0GNRC270521P00155000
150 P12.40+63.16%3807-07GNRC270521P00150000
145 P00%0GNRC270521P00145000
140 P00%0GNRC270521P00140000
135 P6.30-40.00%2908-17GNRC270521P00135000
130 P00%0GNRC270521P00130000
125 P7.30+64.04%2307-31GNRC270521P00125000
120 P5.750%2207-15GNRC270521P00120000
115 P00%0GNRC270521P00115000
110 P00%0GNRC270521P00110000
105 P00%0GNRC270521P00105000
100 P2.050%1108-05GNRC270521P00100000


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