OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

BB $5.00 Put

BB261218P00005000

Latest saved OI666Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BB $5.00 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. 6703350 2026-10-02: 670 OI2026-10-05: 667 OI2026-10-06: 667 OI2026-10-07: 667 OI2026-10-08: 667 OI2026-10-09: 667 OI2026-10-13: 667 OI2026-10-14: 667 OI2026-10-15: 667 OI2026-10-16: 667 OI2026-10-21: 665 OI2026-10-23: 666 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, 2026Viewing666+1
Oct 21, 2026665-2
Oct 16, 20266670
Oct 15, 20266670
Oct 14, 20266670
Oct 13, 20266670
Oct 09, 20266670
Oct 08, 20266670
Oct 07, 20266670
Oct 06, 20266670
Oct 05, 2026667-3
Oct 02, 2026670No prior observation