OITracker Cboe delayed data

Contract OI history

Back to USB

Jan 15, 2027 EXPIRATION

USB $55.00 Put

USB270115P00055000

Latest saved OI2,548Oct 23, 2026
Last change+35vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
USB $55.00 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. 2,7111,3550 2026-10-02: 2,711 OI2026-10-05: 2,711 OI2026-10-06: 2,706 OI2026-10-07: 2,701 OI2026-10-08: 2,390 OI2026-10-09: 2,390 OI2026-10-14: 2,391 OI2026-10-15: 2,386 OI2026-10-16: 2,384 OI2026-10-21: 2,513 OI2026-10-23: 2,548 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, 20262,548+35
Oct 21, 2026Viewing2,513+129
Oct 16, 20262,384-2
Oct 15, 20262,386-5
Oct 14, 20262,391+1
Oct 09, 20262,3900
Oct 08, 20262,390-311
Oct 07, 20262,701-5
Oct 06, 20262,706-5
Oct 05, 20262,7110
Oct 02, 20262,711No prior observation