Option chain for Geron (GERN): calls and puts for every expiration and strike, with quotes, volume, open interest, implied volatility and greeks. As of Oct 23, 2026, GERN had 7 option expirations, from Nov 20, 2026 to Jan 19, 2029, and 472 contracts traded that day. The nearest expiration, Nov 20, 2026, had an at-the-money implied volatility of 78.7% (+21% on the day) and 41 contracts traded; the busiest was Jan 15, 2027, with 156.

For the latest figures, see GERN options overview.

Key numbers

Expirations: at-the-money implied volatility, change on the day, volume

Nov 20, 2026 (28 days): ATM IV 78.7% (+21%), volume 41
Dec 18, 2026 (56 days): ATM IV 60.7% (-23%), volume 6
Jan 15, 2027 (84 days): ATM IV 70.1% (-4%), volume 156
Mar 19, 2027 (147 days): ATM IV 98.4% (-6%), volume 95
Jun 17, 2027 (237 days): ATM IV 57.7% (-10%), volume 100
Jan 21, 2028 (455 days): ATM IV 85.9% (-13%), volume 72
Jan 19, 2029 (819 days): ATM IV 72.1% (-9%), volume 2

Data as of October 23, 2026.

GERN Option Chain

Detailed and comprehensive option chain for each expiration listed for GERN. Includes volume, open interest, implied volatility, and bid/ask for each strike. Investigate further by clicking on a strike and seeing trade activity, volatility movement, and yesterday's closing values. Use the built-in options profit calculator to see the profit or loss of any GERN options strategy.

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