OITracker Cboe delayed data

Contract OI history

Back to U

Oct 30, 2026 EXPIRATION

U $39.00 Put

U261030P00039000

Latest saved OI270Oct 23, 2026
Last change+52vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
U $39.00 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. 2701350 2026-10-02: 26 OI2026-10-05: 31 OI2026-10-06: 31 OI2026-10-07: 31 OI2026-10-08: 31 OI2026-10-09: 38 OI2026-10-14: 38 OI2026-10-15: 39 OI2026-10-16: 70 OI2026-10-21: 218 OI2026-10-23: 270 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, 2026Viewing270+52
Oct 21, 2026218+148
Oct 16, 202670+31
Oct 15, 202639+1
Oct 14, 2026380
Oct 09, 202638+7
Oct 08, 2026310
Oct 07, 2026310
Oct 06, 2026310
Oct 05, 202631+5
Oct 02, 202626No prior observation