OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

USB $55.00 Put

USB261120P00055000

Latest saved OI1,045Oct 23, 2026
Last change-26vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
USB $55.00 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. 1,0715350 2026-10-02: 617 OI2026-10-05: 621 OI2026-10-06: 640 OI2026-10-07: 682 OI2026-10-08: 860 OI2026-10-09: 1,022 OI2026-10-14: 1,049 OI2026-10-15: 1,069 OI2026-10-16: 1,070 OI2026-10-21: 1,071 OI2026-10-23: 1,045 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, 20261,045-26
Oct 21, 2026Viewing1,071+1
Oct 16, 20261,070+1
Oct 15, 20261,069+20
Oct 14, 20261,049+27
Oct 09, 20261,022+162
Oct 08, 2026860+178
Oct 07, 2026682+42
Oct 06, 2026640+19
Oct 05, 2026621+4
Oct 02, 2026617No prior observation