OITracker Cboe delayed data

Contract OI history

Back to USB

Jan 15, 2027 EXPIRATION

USB $50.00 Put

USB270115P00050000

Latest saved OI1,648Oct 23, 2026
Last change+31vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
USB $50.00 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. 1,6488240 2026-10-02: 1,608 OI2026-10-05: 1,608 OI2026-10-06: 1,613 OI2026-10-07: 1,613 OI2026-10-08: 1,613 OI2026-10-09: 1,614 OI2026-10-14: 1,611 OI2026-10-15: 1,630 OI2026-10-16: 1,613 OI2026-10-21: 1,617 OI2026-10-23: 1,648 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, 2026Viewing1,648+31
Oct 21, 20261,617+4
Oct 16, 20261,613-17
Oct 15, 20261,630+19
Oct 14, 20261,611-3
Oct 09, 20261,614+1
Oct 08, 20261,6130
Oct 07, 20261,6130
Oct 06, 20261,613+5
Oct 05, 20261,6080
Oct 02, 20261,608No prior observation