OITracker Cboe delayed data

Contract OI history

Back to USB

Jan 15, 2027 EXPIRATION

USB $32.50 Put

USB270115P00032500

Latest saved OI770Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
USB $32.50 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. 7703850 2026-10-02: 770 OI2026-10-05: 770 OI2026-10-06: 770 OI2026-10-07: 770 OI2026-10-08: 770 OI2026-10-09: 770 OI2026-10-14: 770 OI2026-10-15: 770 OI2026-10-16: 770 OI2026-10-21: 770 OI2026-10-23: 770 OI Oct 02, 2026Oct 23, 2026

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

USB contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20267700
Oct 21, 2026Viewing7700
Oct 16, 20267700
Oct 15, 20267700
Oct 14, 20267700
Oct 09, 20267700
Oct 08, 20267700
Oct 07, 20267700
Oct 06, 20267700
Oct 05, 20267700
Oct 02, 2026770No prior observation