OITracker Cboe delayed data

Contract OI history

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Mar 19, 2027 EXPIRATION

BB $9.00 Put

BB270319P00009000

Latest saved OI700Oct 23, 2026
Last change+4vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BB $9.00 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. 7003500 2026-10-02: 605 OI2026-10-05: 645 OI2026-10-06: 645 OI2026-10-07: 645 OI2026-10-08: 645 OI2026-10-09: 645 OI2026-10-13: 645 OI2026-10-14: 645 OI2026-10-15: 696 OI2026-10-16: 696 OI2026-10-21: 696 OI2026-10-23: 700 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, 2026Viewing700+4
Oct 21, 20266960
Oct 16, 20266960
Oct 15, 2026696+51
Oct 14, 20266450
Oct 13, 20266450
Oct 09, 20266450
Oct 08, 20266450
Oct 07, 20266450
Oct 06, 20266450
Oct 05, 2026645+40
Oct 02, 2026605No prior observation