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Contract OI history

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Nov 20, 2026 EXPIRATION

MPC $400.00 Put

MPC261120P00400000

Latest saved OI675Oct 23, 2026
Last change+58vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MPC $400.00 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. 6753370 2026-10-02: 76 OI2026-10-05: 78 OI2026-10-06: 100 OI2026-10-07: 100 OI2026-10-08: 160 OI2026-10-09: 434 OI2026-10-13: 484 OI2026-10-14: 504 OI2026-10-15: 487 OI2026-10-16: 504 OI2026-10-21: 617 OI2026-10-23: 675 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, 2026675+58
Oct 21, 2026Viewing617+113
Oct 16, 2026504+17
Oct 15, 2026487-17
Oct 14, 2026504+20
Oct 13, 2026484+50
Oct 09, 2026434+274
Oct 08, 2026160+60
Oct 07, 20261000
Oct 06, 2026100+22
Oct 05, 202678+2
Oct 02, 202676No prior observation