PFE Unusual Option Activity
Pfizer Inc (PFE) option volume on Nov 4, 2026 was 6.9% of open interest, well above the 20-day average of 3.9%. Calls made up 52.5% of the volume.
PFE 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 PFE seeing unusual options activity?
On Nov 4, 2026, Pfizer options traded 155.99K contracts against 2.27M open, a volume to open interest ratio of 0.07, well above its 20-day average. The table above lists the contracts with the highest ratios.
Are PFE traders trading more calls or puts?
Calls made up 52.5% of Pfizer option volume on Nov 4, 2026, a put/call ratio of 0.90, so calls outnumber puts. The PFE option volume chart shows calls and puts by strike.
What is Pfizer Inc?
Pfizer is one of the world's largest pharmaceutical firms, with annual sales of roughly $60 billion.