OITracker Cboe delayed data

Contract OI history

Back to USB

Oct 30, 2026 EXPIRATION

USB $55.00 Put

USB261030P00055000

Latest saved OI172Oct 23, 2026
Last change+77vs 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. 172860 2026-10-02: 8 OI2026-10-05: 12 OI2026-10-06: 10 OI2026-10-07: 10 OI2026-10-08: 36 OI2026-10-09: 43 OI2026-10-14: 61 OI2026-10-15: 66 OI2026-10-16: 66 OI2026-10-21: 95 OI2026-10-23: 172 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, 2026172+77
Oct 21, 2026Viewing95+29
Oct 16, 2026660
Oct 15, 202666+5
Oct 14, 202661+18
Oct 09, 202643+7
Oct 08, 202636+26
Oct 07, 2026100
Oct 06, 202610-2
Oct 05, 202612+4
Oct 02, 20268No prior observation