Bel Fuse (BELFB) Options Chain & Prices $132.58 -0.03 (-0.02%) Closing price 08/8/2025 04:00 PM EasternExtended Trading$132.85 +0.27 (+0.21%) As of 08/8/2025 04:30 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 ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock BELFB Put and Call Options List 3/20/2026 1/16/2026 12/19/2025 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$115.00$18.478Call55 - 5(+0)62.80% (+5.18%)0.95938318/15/2025$120.00$0.375Put22 - 4(+0)55.10% (+3.19%)-0.08065518/15/2025$125.00$0.783Put2 - 20(+0)48.28% (+1.22%)-0.1636912End-of-day options data provided by Trade Alert and Intrinio. Related Companies and Tools Related Companies InterDigital Options Calix Options Extreme Networks Options Viasat Options Digi International Options Harmonic Options NETGEAR Options ADTRAN Options Ribbon Communications Options Aviat Networks Options Options Chain Tools Short Interest TrackerShort Interest IncreasesShort Interest DecreasesUnusual Call VolumeUnusual Put Volume This page (NASDAQ:BELFB) was last updated on 8/9/2025 by MarketBeat.com Staff From Our PartnersYour blueprint for crypto wealthMark August 12th on your calendar. 27 of crypto's most successful minds are about to reveal everything…Crypto 101 Media | SponsoredHIDDEN 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 | SponsoredMan Who Called Nvidia at $1.10 Says Buy This Now...In 2004, one man called Nvidia before just about anyone knew it existed. 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