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Contract OI history

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Jun 17, 2027 EXPIRATION

MPT $4.50 Put

MPT270617P00004500

Latest saved OI521Oct 23, 2026
Last change+52vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MPT $4.50 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 5212600 2026-10-02: 395 OI2026-10-05: 395 OI2026-10-06: 395 OI2026-10-07: 395 OI2026-10-08: 395 OI2026-10-09: 395 OI2026-10-13: 470 OI2026-10-14: 470 OI2026-10-16: 466 OI2026-10-21: 469 OI2026-10-23: 521 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

MPT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing521+52
Oct 21, 2026469+3
Oct 16, 2026466-4
Oct 14, 20264700
Oct 13, 2026470+75
Oct 09, 20263950
Oct 08, 20263950
Oct 07, 20263950
Oct 06, 20263950
Oct 05, 20263950
Oct 02, 2026395No prior observation