Geron (GERN) options traded 391 contracts on November 3, 2026 (359 calls and 32 puts, a put/call ratio of 0.09), compared with a 30-day average of 670. Options price a move of about ±5.8% by the nearest expiration.

Key numbers

30-day implied volatility (IV30): 77.4%
Implied move by the nearest expiration: ±5.8%
Option volume: 391 contracts (359 calls, 32 puts); 30-day average 670

Data as of November 3, 2026.

GERN Option Breakdown

A breakdown of key statistics for each option expiration listed for GERN. View implied volatility, volatility skew, volume, open interest, straddle premiums, and liquidity -- including bid/ask spread and NBBO bid/ask sizes. Includes links to the option chain, as well as numerous detailed charts.

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