OITracker Cboe delayed data

Contract OI history

Back to USB

Mar 19, 2027 EXPIRATION

USB $50.00 Put

USB270319P00050000

Latest saved OI260Oct 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 $50.00 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. 2601300 2026-10-02: 248 OI2026-10-05: 249 OI2026-10-06: 249 OI2026-10-07: 249 OI2026-10-08: 250 OI2026-10-09: 250 OI2026-10-14: 252 OI2026-10-15: 254 OI2026-10-16: 256 OI2026-10-21: 260 OI2026-10-23: 260 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, 2026Viewing2600
Oct 21, 2026260+4
Oct 16, 2026256+2
Oct 15, 2026254+2
Oct 14, 2026252+2
Oct 09, 20262500
Oct 08, 2026250+1
Oct 07, 20262490
Oct 06, 20262490
Oct 05, 2026249+1
Oct 02, 2026248No prior observation