OITracker Cboe delayed data

Contract OI history

Back to USB

Jan 15, 2027 EXPIRATION

USB $37.50 Put

USB270115P00037500

Latest saved OI3,791Oct 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 $37.50 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. 3,7921,8960 2026-10-02: 3,783 OI2026-10-05: 3,783 OI2026-10-06: 3,783 OI2026-10-07: 3,783 OI2026-10-08: 3,792 OI2026-10-09: 3,792 OI2026-10-14: 3,792 OI2026-10-15: 3,792 OI2026-10-16: 3,792 OI2026-10-21: 3,791 OI2026-10-23: 3,791 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, 20263,7910
Oct 21, 2026Viewing3,791-1
Oct 16, 20263,7920
Oct 15, 20263,7920
Oct 14, 20263,7920
Oct 09, 20263,7920
Oct 08, 20263,792+9
Oct 07, 20263,7830
Oct 06, 20263,7830
Oct 05, 20263,7830
Oct 02, 20263,783No prior observation