Generac (GNRC) Options Chain & Prices $165.84 -4.16 (-2.44%) Closing price 10/3/2025 03:59 PM EasternExtended Trading$166.38 +0.54 (+0.33%) As of 10/3/2025 07:46 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Options Chain Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock GNRC Put and Call Options List 1/21/2028 1/15/2027 9/18/2026 6/18/2026 5/15/2026 3/20/2026 2/20/2026 1/16/2026 11/21/2025 11/14/2025 11/7/2025 10/31/2025 10/24/2025 10/17/2025 10/10/2025 Options Date Put and Call Options Put Options Call Options Options Type All In The Money Out of The Money Moneyness With Volume Without Volume All Volume Strike Price Min Strike Price Max Export to Excel ExpiresStrike PriceClose PricePut/CallVolumeVolume AskVolume BidOpen InterestImplied VolatilityDeltaTrades10/10/2025$155.00$0.439Put1 - 114(+10)38.74% (-4.04%)-0.102945110/10/2025$155.00$11.158Call10 - - 16(+3)38.74% (-4.07%)0.897197110/10/2025$157.50$0.739Put3 - - 32(+10)37.68% (-3.52%)-0.160064210/10/2025$157.50$8.958Call1 - - 1(+0)37.68% (-3.52%)0.839918110/10/2025$160.00$1.214Put13 - 222(+0)36.85% (-2.92%)-0.2391310/10/2025$160.00$6.934Call1 - 13(+0)36.85% (-2.92%)0.760716110/10/2025$162.50$1.931Put171 - 54(+31)36.28% (-2.25%)-0.339589410/10/2025$165.00$2.943Put75 - 100(+1)35.98% (-1.55%)-0.45506410/10/2025$165.00$3.664Call7158(+0)35.98% (-1.55%)0.544469610/10/2025$167.50$4.279Put171353(+8)35.96% (-0.85%)-0.5738846 Get the Latest News and Ratings for GNRC and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Generac and its competitors with MarketBeat's FREE daily newsletter. 10/10/2025$167.50$2.501Call11 - 653(-2)35.96% (-0.87%)0.425552810/10/2025$170.00$5.924Put19 - 348(+23)36.21% (-0.22%)-0.683462710/10/2025$170.00$1.647Call152559(+36)36.21% (-0.22%)0.315929810/10/2025$172.50$7.831Put214107(+1)36.69% (+0.28%)-0.774954410/10/2025$172.50$1.056Call22 - 25(+1)36.69% (+0.30%)0.224434210/10/2025$175.00$9.938Put1 - 110(+2)37.36% (+0.70%)-0.845343110/10/2025$175.00$0.665Call13 - 10117(+10)37.36% (+0.68%)0.1541410/10/2025$177.50$0.415Call3 - - 357(+0)38.18% (+0.96%)0.103332110/10/2025$180.00$0.258Call211 - 53(+4)39.10% (+1.14%)0.068292310/10/2025$182.50$0.161Call1 - - 86(+0)40.10% (+1.21%)0.04481110/10/2025$185.00$0.101Call2 - 1100(+0)41.16% (+1.23%)0.029352210/10/2025$187.50$21.835Put1 - - 5(+0)42.25% (+1.17%)-0.98069110/10/2025$187.50$0.064Call1 - - 1336(+1)42.25% (+1.19%)0.019271110/10/2025$190.00$0.041Call1 - - 40(+0)43.37% (+1.12%)0.012716110/10/2025$192.50$0.027Call4 - 4499(-5)44.49% (+1.03%)0.008447110/10/2025$197.50$0.012Call10 - - 25(+0)46.74% (+0.80%)0.0038191End-of-day options data provided by Trade Alert and Intrinio. Related Companies and Tools Related Companies Rockwell Automation Options Data Acuity Options Data Belden Options Data Enphase Energy Options Data Franklin Electric Options Data Enersys Options Data Powell Industries Options Data Brady Options Data American Superconductor Options Data Vicor Options Data Options Chain Tools Short Interest TrackerShort Interest IncreasesShort Interest DecreasesUnusual Call VolumeUnusual Put Volume This page (NYSE:GNRC) was last updated on 10/4/2025 by MarketBeat.com Staff From Our PartnersBuffett, Gates and Bezos Dumping StocksThe world's wealthiest individuals are making huge moves with their money. 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