OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

MP $50.00 Put

MP261218P00050000

Latest saved OI4,711Oct 23, 2026
Last change+5vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MP $50.00 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. 4,7112,3550 2026-10-02: 4,399 OI2026-10-05: 4,422 OI2026-10-06: 4,526 OI2026-10-07: 4,657 OI2026-10-08: 4,657 OI2026-10-09: 4,683 OI2026-10-13: 4,700 OI2026-10-14: 4,700 OI2026-10-15: 4,708 OI2026-10-16: 4,708 OI2026-10-21: 4,706 OI2026-10-23: 4,711 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, 2026Viewing4,711+5
Oct 21, 20264,706-2
Oct 16, 20264,7080
Oct 15, 20264,708+8
Oct 14, 20264,7000
Oct 13, 20264,700+17
Oct 09, 20264,683+26
Oct 08, 20264,6570
Oct 07, 20264,657+131
Oct 06, 20264,526+104
Oct 05, 20264,422+23
Oct 02, 20264,399No prior observation