KMI Open Interest
Kinder Morgan Inc (KMI) had 295.33K open option contracts as of Nov 4, 2026: 188.2K calls and 107.13K puts. Open interest rose 9.3% over the past four weeks. The put/call open interest ratio is 0.57, so calls outnumber puts.
Open Interest by Strike
Showing results for KMI, 2026-11-06(w), calls & puts
Open Interest Stats
Showing results for KMI, 2026-11-06(w), calls & puts
| Call Open Interest Total | |
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| Put Open Interest Total | |
| Open Interest Total | |
| Put-Call Open Interest Ratio |
Highest Open Interest Options
Showing results for KMI, 2026-11-06(w), calls & puts
Open Interest Total by Expiry
Showing results for KMI, 2026-11-06(w), calls & puts. View all expiries
Open Interest History
Showing daily totals for KMI, all expirations, calls & puts. View full history
KMI 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 KMI have?
Kinder Morgan had 295.33K open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 283.62K contracts.
Is KMI open interest rising or falling?
Open interest rose 9.3% over the past four weeks. It was 270.11K contracts on Oct 7, 2026. See the KMI open interest history for a longer view.
What is the KMI put/call open interest ratio?
The Kinder Morgan put/call open interest ratio was 0.57 as of Nov 4, 2026. Four weeks earlier it was 0.50.
What is Kinder Morgan Inc?
Kinder Morgan operates natural gas, crude oil, and refined products pipelines connecting producing regions to demand centers.