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Contract OI history

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Dec 18, 2026 EXPIRATION

MPT $3.50 Put

MPT261218P00003500

Latest saved OI177Oct 23, 2026
Last change+13vs previous saved observation
Saved market days3Oct 16, 2026 onwards
Daily open interest Hover a point for its date and OI
MPT $3.50 put open interest history 3 saved observations from 2026-10-16 to 2026-10-23. Exact values and changes are listed in the table below. 177880 2026-10-16: 0 OI2026-10-21: 164 OI2026-10-23: 177 OI Oct 16, 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, 2026Viewing177+13
Oct 21, 2026164+164
Oct 16, 20260No prior observation