Seres Therapeutics (MCRB) options traded 200 contracts on October 20, 2026 (0 calls and 200 puts), compared with a 30-day average of 32. Options price a move of about ±5.9% by the nearest expiration.

Key numbers

30-day implied volatility (IV30): 67.4%
Implied move by the nearest expiration: ±5.9%
Option volume: 200 contracts (0 calls, 200 puts); 30-day average 32

Data as of October 20, 2026.

MCRB Option Breakdown

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