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Contract OI history

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Sep 17, 2027 EXPIRATION

MPT $4.50 Put

MPT270917P00004500

Latest saved OI454Oct 23, 2026
Last change+40vs 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. 4542270 2026-10-02: 402 OI2026-10-05: 402 OI2026-10-06: 412 OI2026-10-07: 419 OI2026-10-08: 419 OI2026-10-09: 419 OI2026-10-13: 419 OI2026-10-14: 419 OI2026-10-16: 414 OI2026-10-21: 414 OI2026-10-23: 454 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, 2026Viewing454+40
Oct 21, 20264140
Oct 16, 2026414-5
Oct 14, 20264190
Oct 13, 20264190
Oct 09, 20264190
Oct 08, 20264190
Oct 07, 2026419+7
Oct 06, 2026412+10
Oct 05, 20264020
Oct 02, 2026402No prior observation