Glaukos (GKOS) options traded 552 contracts on November 4, 2026 (356 calls and 196 puts, a put/call ratio of 0.55), compared with a 30-day average of 1,007. Options price a move of about ±2.9% by the nearest expiration.

Key numbers

30-day implied volatility (IV30): 45.9%
Implied move by the nearest expiration: ±2.9%
Option volume: 552 contracts (356 calls, 196 puts); 30-day average 1,007

Data as of November 4, 2026.

GKOS Option Breakdown

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