Charles River Laboratories International (CRL) options traded 794 contracts on October 26, 2026 (387 calls and 407 puts, a put/call ratio of 1.05), compared with a 30-day average of 670. Options price a move of about ±3.9% by the nearest expiration.

Key numbers

30-day implied volatility (IV30): 62.1%
Implied move by the nearest expiration: ±3.9%
Option volume: 794 contracts (387 calls, 407 puts); 30-day average 670

Data as of October 26, 2026.

CRL Option Breakdown

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