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Contract OI history

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Dec 18, 2026 EXPIRATION

MPC $330.00 Put

MPC261218P00330000

Latest saved OI786Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MPC $330.00 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. 7873930 2026-10-02: 747 OI2026-10-05: 747 OI2026-10-06: 758 OI2026-10-07: 758 OI2026-10-08: 753 OI2026-10-09: 760 OI2026-10-13: 784 OI2026-10-14: 785 OI2026-10-15: 776 OI2026-10-16: 776 OI2026-10-21: 787 OI2026-10-23: 786 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, 2026786-1
Oct 21, 2026Viewing787+11
Oct 16, 20267760
Oct 15, 2026776-9
Oct 14, 2026785+1
Oct 13, 2026784+24
Oct 09, 2026760+7
Oct 08, 2026753-5
Oct 07, 20267580
Oct 06, 2026758+11
Oct 05, 20267470
Oct 02, 2026747No prior observation