OITracker Cboe delayed data

Contract OI history

Back to USB

Jan 21, 2028 EXPIRATION

USB $30.00 Put

USB280121P00030000

Latest saved OI112Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
USB $30.00 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. 115570 2026-10-02: 106 OI2026-10-05: 115 OI2026-10-06: 115 OI2026-10-07: 115 OI2026-10-08: 115 OI2026-10-09: 115 OI2026-10-14: 114 OI2026-10-15: 114 OI2026-10-16: 114 OI2026-10-21: 112 OI2026-10-23: 112 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, 20261120
Oct 21, 2026Viewing112-2
Oct 16, 20261140
Oct 15, 20261140
Oct 14, 2026114-1
Oct 09, 20261150
Oct 08, 20261150
Oct 07, 20261150
Oct 06, 20261150
Oct 05, 2026115+9
Oct 02, 2026106No prior observation