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Contract OI history

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Jun 16, 2028 EXPIRATION

MPC $370.00 Put

MPC280616P00370000

Latest saved OI512Oct 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 $370.00 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. 5122560 2026-10-02: 300 OI2026-10-05: 300 OI2026-10-06: 301 OI2026-10-07: 301 OI2026-10-08: 301 OI2026-10-09: 305 OI2026-10-13: 305 OI2026-10-14: 304 OI2026-10-15: 461 OI2026-10-16: 512 OI2026-10-21: 512 OI2026-10-23: 512 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, 2026Viewing5120
Oct 21, 20265120
Oct 16, 2026512+51
Oct 15, 2026461+157
Oct 14, 2026304-1
Oct 13, 20263050
Oct 09, 2026305+4
Oct 08, 20263010
Oct 07, 20263010
Oct 06, 2026301+1
Oct 05, 20263000
Oct 02, 2026300No prior observation