OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

USB $55.00 Call

USB261218C00055000

Latest saved OI1,085Oct 23, 2026
Last change-4vs 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. 1,1065530 2026-10-02: 1,058 OI2026-10-05: 1,058 OI2026-10-06: 1,059 OI2026-10-07: 1,063 OI2026-10-08: 1,102 OI2026-10-09: 1,106 OI2026-10-14: 1,101 OI2026-10-15: 1,098 OI2026-10-16: 1,100 OI2026-10-21: 1,089 OI2026-10-23: 1,085 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, 20261,085-4
Oct 21, 2026Viewing1,089-11
Oct 16, 20261,100+2
Oct 15, 20261,098-3
Oct 14, 20261,101-5
Oct 09, 20261,106+4
Oct 08, 20261,102+39
Oct 07, 20261,063+4
Oct 06, 20261,059+1
Oct 05, 20261,0580
Oct 02, 20261,058No prior observation