Cerus (CERS) options traded 56 contracts on November 4, 2026 (16 calls and 40 puts, a put/call ratio of 2.50), compared with a 30-day average of 124. Options price a move of about ±3.4% by the nearest expiration.

Key numbers

30-day implied volatility (IV30): 53.7%
Implied move by the nearest expiration: ±3.4%
Option volume: 56 contracts (16 calls, 40 puts); 30-day average 124

Data as of November 4, 2026.

CERS Option Breakdown

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