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Contract OI history

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Jan 21, 2028 EXPIRATION

MPC $350.00 Put

MPC280121P00350000

Latest saved OI664Oct 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 $350.00 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. 6643320 2026-10-02: 2 OI2026-10-05: 2 OI2026-10-06: 1 OI2026-10-07: 1 OI2026-10-08: 1 OI2026-10-09: 617 OI2026-10-13: 617 OI2026-10-14: 617 OI2026-10-15: 617 OI2026-10-16: 618 OI2026-10-21: 664 OI2026-10-23: 664 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, 20266640
Oct 21, 2026Viewing664+46
Oct 16, 2026618+1
Oct 15, 20266170
Oct 14, 20266170
Oct 13, 20266170
Oct 09, 2026617+616
Oct 08, 202610
Oct 07, 202610
Oct 06, 20261-1
Oct 05, 202620
Oct 02, 20262No prior observation