Charles River Laboratories International Inc (CRL) options traded 4.45K contracts on Nov 4, 2026, well above the 20-day average of 952. Calls made up 54.1% of the volume, a put/call ratio of 0.85. It was the busiest day for CRL options in 12 weeks.
Option Volume by Strike
Showing results for CRL, 2026-11-20(m), calls & puts
Option Volume Stats
Showing results for CRL, 2026-11-20(m), calls & puts
| Call Volume | |
|---|---|
| Put Volume | |
| Volume Total | |
| Put-Call Volume Ratio |
Highest Volume Options
Showing results for CRL, 2026-11-20(m), calls & puts
Option Volume Total by Expiry
Showing results for CRL, 2026-11-20(m), calls & puts. View all expiries
Option Volume History
Showing daily totals for CRL, all expirations, calls & puts. View full history
CRL Option Volume FAQ
What is option volume?
Option volume is the number of option contracts traded during a session. It resets at the start of each trading day.
How many CRL options traded on Nov 4, 2026?
2.41K calls and 2.04K puts traded on Nov 4, 2026, 4.45K contracts in total.
Is CRL option volume higher than usual?
Volume on Nov 4, 2026 was well above the 20-day average of 952 contracts. The busiest of the last 20 sessions was Nov 4, 2026, with 4.45K contracts. The 30-day average is 1.11K. See the CRL option volume history for a longer view.
What is the CRL put/call volume ratio?
The Charles River Laboratories International put/call volume ratio was 0.85 on Nov 4, 2026. Over the last 20 sessions it averaged 1.23, so puts outnumber calls over that stretch.
What is Charles River Laboratories International Inc?
Charles River Laboratories was founded in 1947 and is a leading provider of drug discovery and development services.