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Contract OI history

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Oct 23, 2026 EXPIRATION

MPT $4.00 Put

MPT261023P00004000

Latest saved OI163Oct 23, 2026
Last change-16vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MPT $4.00 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. 2271130 2026-10-02: 203 OI2026-10-05: 204 OI2026-10-06: 200 OI2026-10-07: 200 OI2026-10-08: 200 OI2026-10-09: 200 OI2026-10-13: 227 OI2026-10-14: 227 OI2026-10-16: 222 OI2026-10-21: 179 OI2026-10-23: 163 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, 2026Viewing163-16
Oct 21, 2026179-43
Oct 16, 2026222-5
Oct 14, 20262270
Oct 13, 2026227+27
Oct 09, 20262000
Oct 08, 20262000
Oct 07, 20262000
Oct 06, 2026200-4
Oct 05, 2026204+1
Oct 02, 2026203No prior observation