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Contract OI history

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Nov 06, 2026 EXPIRATION

MPT $3.50 Put

MPT261106P00003500

Latest saved OI224Oct 23, 2026
Last change-10vs 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. 2341170 2026-10-02: 41 OI2026-10-05: 41 OI2026-10-06: 44 OI2026-10-07: 41 OI2026-10-08: 48 OI2026-10-09: 45 OI2026-10-13: 83 OI2026-10-14: 87 OI2026-10-16: 233 OI2026-10-21: 234 OI2026-10-23: 224 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, 2026Viewing224-10
Oct 21, 2026234+1
Oct 16, 2026233+146
Oct 14, 202687+4
Oct 13, 202683+38
Oct 09, 202645-3
Oct 08, 202648+7
Oct 07, 202641-3
Oct 06, 202644+3
Oct 05, 2026410
Oct 02, 202641No prior observation