Energy Recovery (ERII) Options Chain & Prices $14.19 -0.46 (-3.14%) Closing price 04:00 PM EasternExtended Trading$14.20 +0.01 (+0.07%) As of 04:20 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 ERII Put and Call Options List 2/20/2026 1/16/2026 11/21/2025 9/19/2025 8/15/2025 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 VolatilityDeltaTrades8/15/2025$12.50$0.005Put2 - - 322(+2)49.48% (-37.48%)-0.01304518/15/2025$12.50$2.178Call253107143565(+28)49.40% (-37.54%)0.986978178/15/2025$15.00$0.550Put2 - - 107(+15)41.24% (-41.84%)-0.6318318/15/2025$15.00$0.223Call22411213471(+47)41.24% (-41.84%)0.37318525End-of-day options data provided by Trade Alert and Intrinio. Related Companies and Tools Related Companies AIN Options Data SXI Options Data KMT Options Data TNC Options Data TRS Options Data GRC Options Data PRLB Options Data HY Options Data GHM Options Data CMCO Options Data Options Chain Tools Short Interest TrackerShort Interest IncreasesShort Interest DecreasesUnusual Call VolumeUnusual Put Volume This page (NASDAQ:ERII) was last updated on 8/8/2025 by MarketBeat.com Staff From Our PartnersHIDDEN IN THE BOOK OF GENESIS…“This land I will give to you…” — a 4,000-year-old line from Genesis may hold the key to unlocking a $150 tril...Paradigm Press | SponsoredBREAKING: The House just passed 3 pro-crypto bills!THREE pro-crypto bills just passed the House! Now, experts believe altcoin season is officially here. Crypto 101 Media | SponsoredSell this, buy thatWhat you don’t own matters just as much as what you do. 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