ACGL Unusual Option Activity
Arch Capital Group Ltd (ACGL) option volume on Nov 4, 2026 was 2.1% of open interest, below the 20-day average of 4.1%. Calls made up 43.8% of the volume.
ACGL Unusual Options FAQ
What makes option activity unusual?
Option activity is usually called unusual when a contract trades much more volume than its open interest, which can mean traders are opening new positions.
Is ACGL seeing unusual options activity?
On Nov 4, 2026, Arch Capital options traded 203 contracts against 9.61K open, a volume to open interest ratio of 0.02, below its 20-day average. The table above lists the contracts with the highest ratios.
Are ACGL traders trading more calls or puts?
Calls made up 43.8% of Arch Capital option volume on Nov 4, 2026, a put/call ratio of 1.28, so puts outnumber calls. The ACGL option volume chart shows calls and puts by strike.
What is Arch Capital Group Ltd?
Arch Capital Group Ltd is a Bermuda company that writes insurance and reinsurance with operations in the United States, Canada, Europe, Australia, and the United Kingdom.