OITracker Cboe delayed data

Contract OI history

Back to USB

Nov 06, 2026 EXPIRATION

USB $61.00 Put

USB261106P00061000

Latest saved OI1,001Oct 23, 2026
Last change+1,000vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
USB $61.00 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. 1,0015000 2026-10-02: 1 OI2026-10-05: 1 OI2026-10-06: 1 OI2026-10-07: 1 OI2026-10-08: 1 OI2026-10-09: 1 OI2026-10-14: 1 OI2026-10-15: 1 OI2026-10-16: 1 OI2026-10-21: 1 OI2026-10-23: 1,001 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, 20261,001+1,000
Oct 21, 2026Viewing10
Oct 16, 202610
Oct 15, 202610
Oct 14, 202610
Oct 09, 202610
Oct 08, 202610
Oct 07, 202610
Oct 06, 202610
Oct 05, 202610
Oct 02, 20261No prior observation