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Contract OI history

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Dec 18, 2026 EXPIRATION

MPC $300.00 Put

MPC261218P00300000

Latest saved OI733Oct 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. 7423710 2026-10-02: 739 OI2026-10-05: 742 OI2026-10-06: 741 OI2026-10-07: 741 OI2026-10-08: 741 OI2026-10-09: 734 OI2026-10-13: 733 OI2026-10-14: 733 OI2026-10-15: 735 OI2026-10-16: 736 OI2026-10-21: 733 OI2026-10-23: 733 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, 2026Viewing7330
Oct 21, 2026733-3
Oct 16, 2026736+1
Oct 15, 2026735+2
Oct 14, 20267330
Oct 13, 2026733-1
Oct 09, 2026734-7
Oct 08, 20267410
Oct 07, 20267410
Oct 06, 2026741-1
Oct 05, 2026742+3
Oct 02, 2026739No prior observation