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Contract OI history

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Mar 19, 2027 EXPIRATION

MPC $280.00 Put

MPC270319P00280000

Latest saved OI337Oct 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. 3371680 2026-10-02: 45 OI2026-10-05: 46 OI2026-10-06: 46 OI2026-10-07: 46 OI2026-10-08: 334 OI2026-10-09: 336 OI2026-10-13: 336 OI2026-10-14: 337 OI2026-10-15: 337 OI2026-10-16: 337 OI2026-10-21: 337 OI2026-10-23: 337 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, 2026Viewing3370
Oct 21, 20263370
Oct 16, 20263370
Oct 15, 20263370
Oct 14, 2026337+1
Oct 13, 20263360
Oct 09, 2026336+2
Oct 08, 2026334+288
Oct 07, 2026460
Oct 06, 2026460
Oct 05, 202646+1
Oct 02, 202645No prior observation