OITracker Cboe delayed data

Contract OI history

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Mar 19, 2027 EXPIRATION

BB $8.00 Put

BB270319P00008000

Latest saved OI848Oct 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 $8.00 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. 8704350 2026-10-02: 855 OI2026-10-05: 870 OI2026-10-06: 870 OI2026-10-07: 870 OI2026-10-08: 870 OI2026-10-09: 870 OI2026-10-13: 850 OI2026-10-14: 850 OI2026-10-15: 860 OI2026-10-16: 842 OI2026-10-21: 842 OI2026-10-23: 848 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, 2026Viewing848+6
Oct 21, 20268420
Oct 16, 2026842-18
Oct 15, 2026860+10
Oct 14, 20268500
Oct 13, 2026850-20
Oct 09, 20268700
Oct 08, 20268700
Oct 07, 20268700
Oct 06, 20268700
Oct 05, 2026870+15
Oct 02, 2026855No prior observation