OITracker Cboe delayed data

Contract OI history

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Oct 23, 2026 EXPIRATION

MP $38.50 Put

MP261023P00038500

Latest saved OI140Oct 23, 2026
Last change-173vs previous saved observation
Saved market days6Oct 13, 2026 onwards
Daily open interest Hover a point for its date and OI
MP $38.50 put open interest history 6 saved observations from 2026-10-13 to 2026-10-23. Exact values and changes are listed in the table below. 3131560 2026-10-13: 0 OI2026-10-14: 0 OI2026-10-15: 157 OI2026-10-16: 206 OI2026-10-21: 313 OI2026-10-23: 140 OI Oct 13, 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, 2026Viewing140-173
Oct 21, 2026313+107
Oct 16, 2026206+49
Oct 15, 2026157+157
Oct 14, 202600
Oct 13, 20260No prior observation