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Contract OI history

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Mar 19, 2027 EXPIRATION

MPC $420.00 Call

MPC270319C00420000

Latest saved OI307Oct 23, 2026
Last change+5vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MPC $420.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3071530 2026-10-02: 121 OI2026-10-05: 219 OI2026-10-06: 300 OI2026-10-07: 300 OI2026-10-08: 300 OI2026-10-09: 300 OI2026-10-13: 300 OI2026-10-14: 300 OI2026-10-15: 300 OI2026-10-16: 302 OI2026-10-21: 302 OI2026-10-23: 307 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, 2026307+5
Oct 21, 2026Viewing3020
Oct 16, 2026302+2
Oct 15, 20263000
Oct 14, 20263000
Oct 13, 20263000
Oct 09, 20263000
Oct 08, 20263000
Oct 07, 20263000
Oct 06, 2026300+81
Oct 05, 2026219+98
Oct 02, 2026121No prior observation