Grayscale Bitcoin Trust ETF (GBTC) options traded 811 contracts on October 23, 2026 (488 calls and 323 puts, a put/call ratio of 0.66), compared with a 30-day average of 1,702. Options price a move of about ±2.0% by the nearest expiration.

Key numbers

30-day implied volatility (IV30): 38.1%
Implied move by the nearest expiration: ±2.0%
Option volume: 811 contracts (488 calls, 323 puts); 30-day average 1,702

Data as of October 23, 2026.

GBTC Option Breakdown

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