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Contract OI history

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Jan 21, 2028 EXPIRATION

MPT $3.50 Put

MPT280121P00003500

Latest saved OI1,352Oct 23, 2026
Last change0vs 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. 1,3526760 2026-10-02: 1,352 OI2026-10-05: 1,352 OI2026-10-06: 1,352 OI2026-10-07: 1,352 OI2026-10-08: 1,352 OI2026-10-09: 1,352 OI2026-10-13: 1,352 OI2026-10-14: 1,352 OI2026-10-16: 1,352 OI2026-10-21: 1,352 OI2026-10-23: 1,352 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, 2026Viewing1,3520
Oct 21, 20261,3520
Oct 16, 20261,3520
Oct 14, 20261,3520
Oct 13, 20261,3520
Oct 09, 20261,3520
Oct 08, 20261,3520
Oct 07, 20261,3520
Oct 06, 20261,3520
Oct 05, 20261,3520
Oct 02, 20261,352No prior observation