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Contract OI history

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Dec 18, 2026 EXPIRATION

MPT $3.50 Call

MPT261218C00003500

Latest saved OI592Oct 23, 2026
Last change+383vs previous saved observation
Saved market days3Oct 16, 2026 onwards
Daily open interest Hover a point for its date and OI
MPT $3.50 call open interest history 3 saved observations from 2026-10-16 to 2026-10-23. Exact values and changes are listed in the table below. 5922960 2026-10-16: 0 OI2026-10-21: 209 OI2026-10-23: 592 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, 2026Viewing592+383
Oct 21, 2026209+209
Oct 16, 20260No prior observation