OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

MP $25.00 Put

MP261218P00025000

Latest saved OI372Oct 23, 2026
Last change+84vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MP $25.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3721860 2026-10-02: 118 OI2026-10-05: 118 OI2026-10-06: 118 OI2026-10-07: 118 OI2026-10-08: 118 OI2026-10-09: 122 OI2026-10-13: 122 OI2026-10-14: 122 OI2026-10-15: 175 OI2026-10-16: 206 OI2026-10-21: 288 OI2026-10-23: 372 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

MP contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing372+84
Oct 21, 2026288+82
Oct 16, 2026206+31
Oct 15, 2026175+53
Oct 14, 20261220
Oct 13, 20261220
Oct 09, 2026122+4
Oct 08, 20261180
Oct 07, 20261180
Oct 06, 20261180
Oct 05, 20261180
Oct 02, 2026118No prior observation