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Contract OI history

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Sep 17, 2027 EXPIRATION

MPT $5.50 Put

MPT270917P00005500

Latest saved OI90Oct 23, 2026
Last change-34vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MPT $5.50 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. 140700 2026-10-02: 140 OI2026-10-05: 140 OI2026-10-06: 136 OI2026-10-07: 136 OI2026-10-08: 136 OI2026-10-09: 134 OI2026-10-13: 134 OI2026-10-14: 134 OI2026-10-16: 124 OI2026-10-21: 124 OI2026-10-23: 90 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, 2026Viewing90-34
Oct 21, 20261240
Oct 16, 2026124-10
Oct 14, 20261340
Oct 13, 20261340
Oct 09, 2026134-2
Oct 08, 20261360
Oct 07, 20261360
Oct 06, 2026136-4
Oct 05, 20261400
Oct 02, 2026140No prior observation