MPC Open Interest
Marathon Petroleum Corporation (MPC) had 112.77K open option contracts as of Nov 4, 2026: 54.9K calls and 57.87K puts. Open interest was little changed over the past four weeks. The put/call open interest ratio is 1.05, so calls and puts are about even.
Open Interest by Strike
Showing results for MPC, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for MPC, 2026-11-20(m), 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 MPC, 2026-11-20(m), calls & puts
Open Interest Total by Expiry
Showing results for MPC, 2026-11-20(m), calls & puts. View all expiries
Open Interest History
Showing daily totals for MPC, all expirations, calls & puts. View full history
MPC 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 MPC have?
Marathon Petroleum had 112.77K open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 111.64K contracts.
Is MPC open interest rising or falling?
Open interest was little changed over the past four weeks. It was 112.3K contracts on Oct 7, 2026. See the MPC open interest history for a longer view.
What is the MPC put/call open interest ratio?
The Marathon Petroleum put/call open interest ratio was 1.05 as of Nov 4, 2026. Four weeks earlier it was 1.21.
What is Marathon Petroleum Corporation?
Marathon Petroleum is a leading integrated downstream and midstream energy company that operates 13 refineries in the Gulf Coast, midcontinent, and West Coast regions of the United States with an aggregate crude oil refining capacity of 3.0 million barrels per day.