BLDR Unusual Option Activity
Builders FirstSource Inc (BLDR) option volume on Nov 4, 2026 was 5.2% of open interest, above the 20-day average of 4.3%. Calls made up 64.8% of the volume.
BLDR 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 BLDR seeing unusual options activity?
On Nov 4, 2026, Builders FirstSource options traded 2.75K contracts against 53.34K open, a volume to open interest ratio of 0.05, above its 20-day average. The table above lists the contracts with the highest ratios.
Are BLDR traders trading more calls or puts?
Calls made up 64.8% of Builders FirstSource option volume on Nov 4, 2026, a put/call ratio of 0.54, so calls outnumber puts. The BLDR option volume chart shows calls and puts by strike.
What is Builders FirstSource Inc?
Builders FirstSource Inc is a manufacturer and supplier of building materials.