OITracker Cboe delayed data

Contract OI history

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Nov 13, 2026 EXPIRATION

U $40.00 Put

U261113P00040000

Latest saved OI80Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
U $40.00 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. 82410 2026-10-02: 2 OI2026-10-05: 3 OI2026-10-06: 4 OI2026-10-07: 5 OI2026-10-08: 5 OI2026-10-09: 27 OI2026-10-14: 55 OI2026-10-15: 81 OI2026-10-16: 82 OI2026-10-21: 80 OI2026-10-23: 80 OI Oct 02, 2026Oct 23, 2026

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

U contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing800
Oct 21, 202680-2
Oct 16, 202682+1
Oct 15, 202681+26
Oct 14, 202655+28
Oct 09, 202627+22
Oct 08, 202650
Oct 07, 20265+1
Oct 06, 20264+1
Oct 05, 20263+1
Oct 02, 20262No prior observation