OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

MP $40.00 Put

MP261120P00040000

Latest saved OI1,604Oct 23, 2026
Last change+81vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MP $40.00 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. 1,6048020 2026-10-02: 707 OI2026-10-05: 723 OI2026-10-06: 750 OI2026-10-07: 888 OI2026-10-08: 888 OI2026-10-09: 1,003 OI2026-10-13: 1,294 OI2026-10-14: 1,294 OI2026-10-15: 1,420 OI2026-10-16: 1,474 OI2026-10-21: 1,523 OI2026-10-23: 1,604 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, 2026Viewing1,604+81
Oct 21, 20261,523+49
Oct 16, 20261,474+54
Oct 15, 20261,420+126
Oct 14, 20261,2940
Oct 13, 20261,294+291
Oct 09, 20261,003+115
Oct 08, 20268880
Oct 07, 2026888+138
Oct 06, 2026750+27
Oct 05, 2026723+16
Oct 02, 2026707No prior observation