CMI Unusual Option Activity
Cummins Inc (CMI) option volume on Nov 4, 2026 was 14.9% of open interest, well above the 20-day average of 3.3%. Calls made up 60.2% of the volume. Relative to open interest, that was CMI's most active day in 4 weeks.
CMI 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 CMI seeing unusual options activity?
On Nov 4, 2026, Cummins options traded 2.75K contracts against 18.44K open, a volume to open interest ratio of 0.15, well above its 20-day average. The table above lists the contracts with the highest ratios.
Are CMI traders trading more calls or puts?
Calls made up 60.2% of Cummins option volume on Nov 4, 2026, a put/call ratio of 0.66, so calls outnumber puts. The CMI option volume chart shows calls and puts by strike.
What is Cummins Inc?
Cummins is a leading manufacturer of diesel and other engines used in heavy- and medium-duty commercial trucks, off-highway equipment, and locomotives, in addition to prime power and standby generators.