Gentex (GNTX) options traded 468 contracts on October 23, 2026 (155 calls and 313 puts, a put/call ratio of 2.02), compared with a 30-day average of 88. Options price a move of about ±2.0% by the nearest expiration.

Key numbers

30-day implied volatility (IV30): 24.9%
Implied move by the nearest expiration: ±2.0%
Option volume: 468 contracts (155 calls, 313 puts); 30-day average 88

Data as of October 23, 2026.

GNTX Option Breakdown

A breakdown of key statistics for each option expiration listed for GNTX. 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.

▲ Close