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GERN
Geron Corp
stock NASDAQ

At Close
Aug 20, 2026 3:59:51 PM EDT
1.55USD-2.201%(-0.04)5,983,933
1.33Bid   1.82Ask   0.49Spread
Pre-market
Aug 20, 2026 9:16:30 AM EDT
1.56USD-2.013%(-0.03)5,000
After-hours
Aug 20, 2026 4:49:30 PM EDT
1.55USD-0.322%(0.00)865,115
OverviewOption ChainMax PainOption ChainHistoricalExchange VolumeDark Pool LevelsDark Pool PrintsExchangesShort VolumeShort Interest - DailyShort InterestBorrow Fee (CTB)Failure to Deliver (FTD)ShortsTrendsNewsMore
Expiration Dates
Aug 21, 2026Sep 18, 2026Oct 16, 2026Dec 18, 2026Jan 15, 2027Mar 19, 2027

ITM/OTM for Dec 18, 2026View All Dates
Calls ITMCalls OTMPuts ITMPuts OTM
6777570333


GERN Dec 18, 2026 Exp. - Volume by Strike
Puts
Calls

GERN Dec 18, 2026 Exp. - Open Interest by Strike

Puts
Calls

GERN Dec 18, 2026 Exp. - Max Pain @ $1.00

Puts
Calls


GERN Dec 18, 2026 Exp. - Option Chain
In the Money (ITM)
Calls
StrikePriceChangeVolOILastContract Name
5.00 C0.050%1108-05GERN261218C00005000
4.00 C0.100.00%1708-11GERN261218C00004000
3.00 C0.05-50.00%12208-17GERN261218C00003000
2.00 C0.200.00%14672708-19GERN261218C00002000
1.50 C0.27-25.00%555608-18GERN261218C00001500
1.00 C0.69+2.99%1010208-12GERN261218C00001000
0.50 C0.97-8.49%11908-14GERN261218C00000500
Puts
StrikePriceChangeVolOILastContract Name
5.00 P00%0GERN261218P00005000
4.00 P00%0GERN261218P00004000
3.00 P00%0GERN261218P00003000
2.00 P00%0GERN261218P00002000
1.50 P0.26+44.44%279008-19GERN261218P00001500
1.00 P0.120.00%421308-12GERN261218P00001000
0.50 P0.03-40.00%63008-06GERN261218P00000500


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