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Contract OI history

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Nov 20, 2026 EXPIRATION

MPC $370.00 Put

MPC261120P00370000

Latest saved OI326Oct 23, 2026
Last change+35vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MPC $370.00 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. 3261630 2026-10-02: 69 OI2026-10-05: 95 OI2026-10-06: 125 OI2026-10-07: 125 OI2026-10-08: 166 OI2026-10-09: 157 OI2026-10-13: 157 OI2026-10-14: 214 OI2026-10-15: 275 OI2026-10-16: 274 OI2026-10-21: 291 OI2026-10-23: 326 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, 2026326+35
Oct 21, 2026Viewing291+17
Oct 16, 2026274-1
Oct 15, 2026275+61
Oct 14, 2026214+57
Oct 13, 20261570
Oct 09, 2026157-9
Oct 08, 2026166+41
Oct 07, 20261250
Oct 06, 2026125+30
Oct 05, 202695+26
Oct 02, 202669No prior observation