CMI Open Interest
Cummins Inc (CMI) had 18.44K open option contracts as of Nov 4, 2026: 10.18K calls and 8.26K puts. Open interest was little changed over the past four weeks. The put/call open interest ratio is 0.81, so calls outnumber puts.
Open Interest by Strike
Showing results for CMI, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for CMI, 2026-11-20(m), calls & puts
| Call Open Interest Total | |
|---|---|
| Put Open Interest Total | |
| Open Interest Total | |
| Put-Call Open Interest Ratio |
Highest Open Interest Options
Showing results for CMI, 2026-11-20(m), calls & puts
Open Interest Total by Expiry
Showing results for CMI, 2026-11-20(m), calls & puts. View all expiries
Open Interest History
Showing daily totals for CMI, all expirations, calls & puts. View full history
CMI Open Interest FAQ
What is open interest?
Open interest is the number of option contracts that are open and not yet closed, exercised, or expired. The Options Clearing Corporation calculates it once a day from the previous day's trades, and it is published before the market opens.
How much open interest does CMI have?
Cummins had 18.44K open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 18.03K contracts.
Is CMI open interest rising or falling?
Open interest was little changed over the past four weeks. It was 18.31K contracts on Oct 7, 2026. See the CMI open interest history for a longer view.
What is the CMI put/call open interest ratio?
The Cummins put/call open interest ratio was 0.81 as of Nov 4, 2026. Four weeks earlier it was 0.76.
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.