OITracker Cboe delayed data

Contract OI history

Back to USB

Oct 23, 2026 EXPIRATION

USB $57.00 Put

USB261023P00057000

Latest saved OI309Oct 23, 2026
Last change+13vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
USB $57.00 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. 3091540 2026-10-02: 24 OI2026-10-05: 24 OI2026-10-06: 24 OI2026-10-07: 24 OI2026-10-08: 24 OI2026-10-09: 24 OI2026-10-14: 282 OI2026-10-15: 282 OI2026-10-16: 257 OI2026-10-21: 296 OI2026-10-23: 309 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, 2026309+13
Oct 21, 2026Viewing296+39
Oct 16, 2026257-25
Oct 15, 20262820
Oct 14, 2026282+258
Oct 09, 2026240
Oct 08, 2026240
Oct 07, 2026240
Oct 06, 2026240
Oct 05, 2026240
Oct 02, 202624No prior observation