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Contract OI history

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Nov 20, 2026 EXPIRATION

MPT $3.50 Put

MPT261120P00003500

Latest saved OI2,990Oct 23, 2026
Last change-22vs 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. 3,0591,5290 2026-10-02: 2,905 OI2026-10-05: 2,905 OI2026-10-06: 2,917 OI2026-10-07: 2,847 OI2026-10-08: 2,954 OI2026-10-09: 3,009 OI2026-10-13: 3,016 OI2026-10-14: 3,023 OI2026-10-16: 3,059 OI2026-10-21: 3,012 OI2026-10-23: 2,990 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, 2026Viewing2,990-22
Oct 21, 20263,012-47
Oct 16, 20263,059+36
Oct 14, 20263,023+7
Oct 13, 20263,016+7
Oct 09, 20263,009+55
Oct 08, 20262,954+107
Oct 07, 20262,847-70
Oct 06, 20262,917+12
Oct 05, 20262,9050
Oct 02, 20262,905No prior observation