OITracker Cboe delayed data

Contract OI history

Back to USB

Dec 15, 2028 EXPIRATION

USB $32.50 Put

USB281215P00032500

Latest saved OI44Oct 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 $32.50 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. 44220 2026-10-02: 43 OI2026-10-05: 43 OI2026-10-06: 43 OI2026-10-07: 43 OI2026-10-08: 43 OI2026-10-09: 43 OI2026-10-14: 43 OI2026-10-15: 43 OI2026-10-16: 43 OI2026-10-21: 44 OI2026-10-23: 44 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, 2026440
Oct 21, 2026Viewing44+1
Oct 16, 2026430
Oct 15, 2026430
Oct 14, 2026430
Oct 09, 2026430
Oct 08, 2026430
Oct 07, 2026430
Oct 06, 2026430
Oct 05, 2026430
Oct 02, 202643No prior observation