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Contract OI history

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Dec 18, 2026 EXPIRATION

MPC $280.00 Put

MPC261218P00280000

Latest saved OI125Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MPC $280.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 127630 2026-10-02: 124 OI2026-10-05: 122 OI2026-10-06: 124 OI2026-10-07: 124 OI2026-10-08: 123 OI2026-10-09: 121 OI2026-10-13: 127 OI2026-10-14: 127 OI2026-10-15: 126 OI2026-10-16: 125 OI2026-10-21: 125 OI2026-10-23: 125 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

MPC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20261250
Oct 21, 2026Viewing1250
Oct 16, 2026125-1
Oct 15, 2026126-1
Oct 14, 20261270
Oct 13, 2026127+6
Oct 09, 2026121-2
Oct 08, 2026123-1
Oct 07, 20261240
Oct 06, 2026124+2
Oct 05, 2026122-2
Oct 02, 2026124No prior observation