OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

USB $50.00 Call

USB280121C00050000

Latest saved OI252Oct 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 $50.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2551270 2026-10-02: 255 OI2026-10-05: 255 OI2026-10-06: 255 OI2026-10-07: 255 OI2026-10-08: 255 OI2026-10-09: 255 OI2026-10-14: 255 OI2026-10-15: 252 OI2026-10-16: 252 OI2026-10-21: 252 OI2026-10-23: 252 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, 2026Viewing2520
Oct 21, 20262520
Oct 16, 20262520
Oct 15, 2026252-3
Oct 14, 20262550
Oct 09, 20262550
Oct 08, 20262550
Oct 07, 20262550
Oct 06, 20262550
Oct 05, 20262550
Oct 02, 2026255No prior observation