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Contract OI history

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Jan 21, 2028 EXPIRATION

MPT $4.50 Put

MPT280121P00004500

Latest saved OI705Oct 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 $4.50 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. 7103550 2026-10-02: 620 OI2026-10-05: 620 OI2026-10-06: 620 OI2026-10-07: 620 OI2026-10-08: 620 OI2026-10-09: 620 OI2026-10-13: 710 OI2026-10-14: 710 OI2026-10-16: 705 OI2026-10-21: 705 OI2026-10-23: 705 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, 2026Viewing7050
Oct 21, 20267050
Oct 16, 2026705-5
Oct 14, 20267100
Oct 13, 2026710+90
Oct 09, 20266200
Oct 08, 20266200
Oct 07, 20266200
Oct 06, 20266200
Oct 05, 20266200
Oct 02, 2026620No prior observation