OITracker Cboe delayed data

Contract OI history

Back to USB

Jan 15, 2027 EXPIRATION

USB $30.00 Put

USB270115P00030000

Latest saved OI237Oct 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. 2371180 2026-10-02: 237 OI2026-10-05: 237 OI2026-10-06: 237 OI2026-10-07: 237 OI2026-10-08: 237 OI2026-10-09: 237 OI2026-10-14: 237 OI2026-10-15: 237 OI2026-10-16: 237 OI2026-10-21: 237 OI2026-10-23: 237 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, 20262370
Oct 21, 2026Viewing2370
Oct 16, 20262370
Oct 15, 20262370
Oct 14, 20262370
Oct 09, 20262370
Oct 08, 20262370
Oct 07, 20262370
Oct 06, 20262370
Oct 05, 20262370
Oct 02, 2026237No prior observation