State Street SPDR S&P Biotech ETF (XBI) options traded 32,076 contracts on October 30, 2026 (11,864 calls and 20,212 puts, a put/call ratio of 1.70), compared with a 30-day average of 35,451. Options price a move of about ±2.3% by the nearest expiration.

Key numbers

30-day implied volatility (IV30): 35.2%
Implied move by the nearest expiration: ±2.3%
Option volume: 32,076 contracts (11,864 calls, 20,212 puts); 30-day average 35,451

Data as of October 30, 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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