OITracker Cboe delayed data

Contract OI history

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Jun 17, 2027 EXPIRATION

USB $55.00 Put

USB270617P00055000

Latest saved OI3,022Oct 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 $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. 3,0221,5110 2026-10-02: 3,020 OI2026-10-05: 3,020 OI2026-10-06: 3,020 OI2026-10-07: 3,020 OI2026-10-08: 3,020 OI2026-10-09: 3,021 OI2026-10-14: 3,021 OI2026-10-15: 3,021 OI2026-10-16: 3,021 OI2026-10-21: 3,022 OI2026-10-23: 3,022 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, 2026Viewing3,0220
Oct 21, 20263,022+1
Oct 16, 20263,0210
Oct 15, 20263,0210
Oct 14, 20263,0210
Oct 09, 20263,021+1
Oct 08, 20263,0200
Oct 07, 20263,0200
Oct 06, 20263,0200
Oct 05, 20263,0200
Oct 02, 20263,020No prior observation