OITracker Cboe delayed data

Contract OI history

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Mar 19, 2027 EXPIRATION

USB $57.50 Put

USB270319P00057500

Latest saved OI2,311Oct 23, 2026
Last change+52vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
USB $57.50 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. 2,3111,1550 2026-10-02: 2,243 OI2026-10-05: 2,247 OI2026-10-06: 2,251 OI2026-10-07: 2,251 OI2026-10-08: 2,247 OI2026-10-09: 2,247 OI2026-10-14: 2,255 OI2026-10-15: 2,253 OI2026-10-16: 2,260 OI2026-10-21: 2,259 OI2026-10-23: 2,311 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, 2026Viewing2,311+52
Oct 21, 20262,259-1
Oct 16, 20262,260+7
Oct 15, 20262,253-2
Oct 14, 20262,255+8
Oct 09, 20262,2470
Oct 08, 20262,247-4
Oct 07, 20262,2510
Oct 06, 20262,251+4
Oct 05, 20262,247+4
Oct 02, 20262,243No prior observation