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Contract OI history

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Nov 20, 2026 EXPIRATION

MPC $420.00 Put

MPC261120P00420000

Latest saved OI471Oct 23, 2026
Last change+26vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MPC $420.00 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: 84 OI2026-10-05: 111 OI2026-10-06: 134 OI2026-10-07: 134 OI2026-10-08: 153 OI2026-10-09: 223 OI2026-10-13: 240 OI2026-10-14: 252 OI2026-10-15: 294 OI2026-10-16: 297 OI2026-10-21: 445 OI2026-10-23: 471 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, 2026471+26
Oct 21, 2026Viewing445+148
Oct 16, 2026297+3
Oct 15, 2026294+42
Oct 14, 2026252+12
Oct 13, 2026240+17
Oct 09, 2026223+70
Oct 08, 2026153+19
Oct 07, 20261340
Oct 06, 2026134+23
Oct 05, 2026111+27
Oct 02, 202684No prior observation