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Contract OI history

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Nov 20, 2026 EXPIRATION

MPC $300.00 Put

MPC261120P00300000

Latest saved OI165Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MPC $300.00 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. 166830 2026-10-02: 131 OI2026-10-05: 131 OI2026-10-06: 134 OI2026-10-07: 134 OI2026-10-08: 147 OI2026-10-09: 165 OI2026-10-13: 165 OI2026-10-14: 165 OI2026-10-15: 165 OI2026-10-16: 166 OI2026-10-21: 165 OI2026-10-23: 165 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, 20261650
Oct 21, 2026Viewing165-1
Oct 16, 2026166+1
Oct 15, 20261650
Oct 14, 20261650
Oct 13, 20261650
Oct 09, 2026165+18
Oct 08, 2026147+13
Oct 07, 20261340
Oct 06, 2026134+3
Oct 05, 20261310
Oct 02, 2026131No prior observation