OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

BB $5.50 Put

BB280121P00005500

Latest saved OI5,882Oct 23, 2026
Last change+6vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BB $5.50 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. 5,8822,9410 2026-10-02: 5,880 OI2026-10-05: 5,880 OI2026-10-06: 5,880 OI2026-10-07: 5,880 OI2026-10-08: 5,880 OI2026-10-09: 5,880 OI2026-10-13: 5,881 OI2026-10-14: 5,881 OI2026-10-15: 5,880 OI2026-10-16: 5,880 OI2026-10-21: 5,876 OI2026-10-23: 5,882 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, 2026Viewing5,882+6
Oct 21, 20265,876-4
Oct 16, 20265,8800
Oct 15, 20265,880-1
Oct 14, 20265,8810
Oct 13, 20265,881+1
Oct 09, 20265,8800
Oct 08, 20265,8800
Oct 07, 20265,8800
Oct 06, 20265,8800
Oct 05, 20265,8800
Oct 02, 20265,880No prior observation