OITracker Cboe delayed data

Contract OI history

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Nov 13, 2026 EXPIRATION

BB $9.50 Put

BB261113P00009500

Latest saved OI329Oct 23, 2026
Last change+3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BB $9.50 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3291640 2026-10-02: 0 OI2026-10-05: 44 OI2026-10-06: 45 OI2026-10-07: 45 OI2026-10-08: 45 OI2026-10-09: 45 OI2026-10-13: 45 OI2026-10-14: 45 OI2026-10-15: 48 OI2026-10-16: 326 OI2026-10-21: 326 OI2026-10-23: 329 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

BB contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing329+3
Oct 21, 20263260
Oct 16, 2026326+278
Oct 15, 202648+3
Oct 14, 2026450
Oct 13, 2026450
Oct 09, 2026450
Oct 08, 2026450
Oct 07, 2026450
Oct 06, 202645+1
Oct 05, 202644+44
Oct 02, 20260No prior observation