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Contract OI history

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Dec 18, 2026 EXPIRATION

MPC $310.00 Put

MPC261218P00310000

Latest saved OI461Oct 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 $310.00 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. 4712350 2026-10-02: 467 OI2026-10-05: 466 OI2026-10-06: 467 OI2026-10-07: 467 OI2026-10-08: 471 OI2026-10-09: 469 OI2026-10-13: 465 OI2026-10-14: 461 OI2026-10-15: 461 OI2026-10-16: 461 OI2026-10-21: 461 OI2026-10-23: 461 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, 20264610
Oct 21, 2026Viewing4610
Oct 16, 20264610
Oct 15, 20264610
Oct 14, 2026461-4
Oct 13, 2026465-4
Oct 09, 2026469-2
Oct 08, 2026471+4
Oct 07, 20264670
Oct 06, 2026467+1
Oct 05, 2026466-1
Oct 02, 2026467No prior observation