OITracker Cboe delayed data

Contract OI history

Back to USB

Sep 17, 2027 EXPIRATION

USB $52.50 Put

USB270917P00052500

Latest saved OI65Oct 23, 2026
Last change+38vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
USB $52.50 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. 65320 2026-10-02: 8 OI2026-10-05: 8 OI2026-10-06: 14 OI2026-10-07: 18 OI2026-10-08: 18 OI2026-10-09: 22 OI2026-10-14: 27 OI2026-10-15: 27 OI2026-10-16: 27 OI2026-10-21: 27 OI2026-10-23: 65 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, 202665+38
Oct 21, 2026Viewing270
Oct 16, 2026270
Oct 15, 2026270
Oct 14, 202627+5
Oct 09, 202622+4
Oct 08, 2026180
Oct 07, 202618+4
Oct 06, 202614+6
Oct 05, 202680
Oct 02, 20268No prior observation