OITracker Cboe delayed data

Contract OI history

Back to USB

Jan 15, 2027 EXPIRATION

USB $27.50 Put

USB270115P00027500

Latest saved OI1,144Oct 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 $27.50 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. 1,1445720 2026-10-02: 1,143 OI2026-10-05: 1,143 OI2026-10-06: 1,143 OI2026-10-07: 1,143 OI2026-10-08: 1,143 OI2026-10-09: 1,143 OI2026-10-14: 1,143 OI2026-10-15: 1,143 OI2026-10-16: 1,143 OI2026-10-21: 1,144 OI2026-10-23: 1,144 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, 20261,1440
Oct 21, 2026Viewing1,144+1
Oct 16, 20261,1430
Oct 15, 20261,1430
Oct 14, 20261,1430
Oct 09, 20261,1430
Oct 08, 20261,1430
Oct 07, 20261,1430
Oct 06, 20261,1430
Oct 05, 20261,1430
Oct 02, 20261,143No prior observation