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Contract OI history

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Jun 17, 2027 EXPIRATION

MPT $3.50 Put

MPT270617P00003500

Latest saved OI687Oct 23, 2026
Last change+19vs 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. 6873430 2026-10-02: 610 OI2026-10-05: 611 OI2026-10-06: 621 OI2026-10-07: 621 OI2026-10-08: 666 OI2026-10-09: 667 OI2026-10-13: 667 OI2026-10-14: 667 OI2026-10-16: 668 OI2026-10-21: 668 OI2026-10-23: 687 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, 2026Viewing687+19
Oct 21, 20266680
Oct 16, 2026668+1
Oct 14, 20266670
Oct 13, 20266670
Oct 09, 2026667+1
Oct 08, 2026666+45
Oct 07, 20266210
Oct 06, 2026621+10
Oct 05, 2026611+1
Oct 02, 2026610No prior observation