OITracker Cboe delayed data

Contract OI history

Back to BB

Jan 21, 2028 EXPIRATION

BB $4.50 Put

BB280121P00004500

Latest saved OI808Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BB $4.50 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. 8104050 2026-10-02: 809 OI2026-10-05: 809 OI2026-10-06: 809 OI2026-10-07: 810 OI2026-10-08: 810 OI2026-10-09: 810 OI2026-10-13: 810 OI2026-10-14: 810 OI2026-10-15: 810 OI2026-10-16: 810 OI2026-10-21: 808 OI2026-10-23: 808 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, 2026Viewing8080
Oct 21, 2026808-2
Oct 16, 20268100
Oct 15, 20268100
Oct 14, 20268100
Oct 13, 20268100
Oct 09, 20268100
Oct 08, 20268100
Oct 07, 2026810+1
Oct 06, 20268090
Oct 05, 20268090
Oct 02, 2026809No prior observation