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Contract OI history

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Oct 30, 2026 EXPIRATION

MPT $3.50 Put

MPT261030P00003500

Latest saved OI685Oct 23, 2026
Last change-1vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MPT $3.50 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. 6963480 2026-10-02: 521 OI2026-10-05: 528 OI2026-10-06: 531 OI2026-10-07: 535 OI2026-10-08: 532 OI2026-10-09: 629 OI2026-10-13: 689 OI2026-10-14: 695 OI2026-10-16: 696 OI2026-10-21: 686 OI2026-10-23: 685 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, 2026Viewing685-1
Oct 21, 2026686-10
Oct 16, 2026696+1
Oct 14, 2026695+6
Oct 13, 2026689+60
Oct 09, 2026629+97
Oct 08, 2026532-3
Oct 07, 2026535+4
Oct 06, 2026531+3
Oct 05, 2026528+7
Oct 02, 2026521No prior observation