State Street SPDR S&P Biotech ETF (XBI) options traded 41,076 contracts on November 6, 2026 (12,845 calls and 28,231 puts, a put/call ratio of 2.20), compared with a 30-day average of 32,961. Options price a move of about ±3.5% by the nearest expiration.

Key numbers

30-day implied volatility (IV30): 37.5%
Implied move by the nearest expiration: ±3.5%
Option volume: 41,076 contracts (12,845 calls, 28,231 puts); 30-day average 32,961

Data as of November 6, 2026.

XBI Option Breakdown

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