MPLX Open Interest
MPLX LP (MPLX) had 100.58K open option contracts as of Nov 4, 2026: 65.28K calls and 35.3K puts. Open interest rose 32.8% over the past four weeks, and is MPLX's highest level in 4 weeks. The put/call open interest ratio is 0.54, so calls outnumber puts.
Open Interest by Strike
Showing results for MPLX, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for MPLX, 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 MPLX, 2026-11-20(m), calls & puts
Open Interest Total by Expiry
Showing results for MPLX, 2026-11-20(m), calls & puts. View all expiries
Open Interest History
Showing daily totals for MPLX, all expirations, calls & puts. View full history
MPLX 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 MPLX have?
MPLX had 100.58K open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 87.5K contracts.
Is MPLX open interest rising or falling?
Open interest rose 32.8% over the past four weeks, and is MPLX's highest level in 4 weeks. It was 75.76K contracts on Oct 7, 2026. See the MPLX open interest history for a longer view.
What is the MPLX put/call open interest ratio?
The MPLX put/call open interest ratio was 0.54 as of Nov 4, 2026. Four weeks earlier it was 0.35.
What is MPLX LP?
MPLX is a partnership that owns pipelines and gathering and processing assets with extensive holdings in the Appalachian and Permian regions.