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Contract OI history

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Dec 18, 2026 EXPIRATION

MPC $400.00 Call

MPC261218C00400000

Latest saved OI801Oct 23, 2026
Last change+10vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MPC $400.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 8014000 2026-10-02: 756 OI2026-10-05: 754 OI2026-10-06: 755 OI2026-10-07: 755 OI2026-10-08: 754 OI2026-10-09: 762 OI2026-10-13: 779 OI2026-10-14: 778 OI2026-10-15: 778 OI2026-10-16: 779 OI2026-10-21: 791 OI2026-10-23: 801 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, 2026801+10
Oct 21, 2026Viewing791+12
Oct 16, 2026779+1
Oct 15, 20267780
Oct 14, 2026778-1
Oct 13, 2026779+17
Oct 09, 2026762+8
Oct 08, 2026754-1
Oct 07, 20267550
Oct 06, 2026755+1
Oct 05, 2026754-2
Oct 02, 2026756No prior observation