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Contract OI history

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Nov 20, 2026 EXPIRATION

MPC $390.00 Put

MPC261120P00390000

Latest saved OI345Oct 23, 2026
Last change+6vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MPC $390.00 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. 3451720 2026-10-02: 61 OI2026-10-05: 61 OI2026-10-06: 86 OI2026-10-07: 86 OI2026-10-08: 99 OI2026-10-09: 120 OI2026-10-13: 126 OI2026-10-14: 141 OI2026-10-15: 238 OI2026-10-16: 244 OI2026-10-21: 339 OI2026-10-23: 345 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, 2026345+6
Oct 21, 2026Viewing339+95
Oct 16, 2026244+6
Oct 15, 2026238+97
Oct 14, 2026141+15
Oct 13, 2026126+6
Oct 09, 2026120+21
Oct 08, 202699+13
Oct 07, 2026860
Oct 06, 202686+25
Oct 05, 2026610
Oct 02, 202661No prior observation