OITracker Cboe delayed data

Contract OI history

Back to USB

Nov 27, 2026 EXPIRATION

USB $56.00 Put

USB261127P00056000

Latest saved OI113Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
USB $56.00 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 113560 2026-10-08: 0 OI2026-10-09: 0 OI2026-10-14: 0 OI2026-10-15: 110 OI2026-10-16: 109 OI2026-10-21: 113 OI2026-10-23: 113 OI Oct 08, 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, 20261130
Oct 21, 2026Viewing113+4
Oct 16, 2026109-1
Oct 15, 2026110+110
Oct 14, 202600
Oct 09, 202600
Oct 08, 20260No prior observation