OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

USB $55.00 Call

USB280121C00055000

Latest saved OI553Oct 23, 2026
Last change+1vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
USB $55.00 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. 5562780 2026-10-02: 556 OI2026-10-05: 556 OI2026-10-06: 556 OI2026-10-07: 556 OI2026-10-08: 556 OI2026-10-09: 556 OI2026-10-14: 549 OI2026-10-15: 549 OI2026-10-16: 549 OI2026-10-21: 552 OI2026-10-23: 553 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, 2026553+1
Oct 21, 2026Viewing552+3
Oct 16, 20265490
Oct 15, 20265490
Oct 14, 2026549-7
Oct 09, 20265560
Oct 08, 20265560
Oct 07, 20265560
Oct 06, 20265560
Oct 05, 20265560
Oct 02, 2026556No prior observation