OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

BB $25.00 Put

BB280121P00025000

Latest saved OI57Oct 23, 2026
Last change+2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BB $25.00 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. 103510 2026-10-02: 93 OI2026-10-05: 93 OI2026-10-06: 93 OI2026-10-07: 93 OI2026-10-08: 93 OI2026-10-09: 93 OI2026-10-13: 103 OI2026-10-14: 103 OI2026-10-15: 101 OI2026-10-16: 101 OI2026-10-21: 55 OI2026-10-23: 57 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, 2026Viewing57+2
Oct 21, 202655-46
Oct 16, 20261010
Oct 15, 2026101-2
Oct 14, 20261030
Oct 13, 2026103+10
Oct 09, 2026930
Oct 08, 2026930
Oct 07, 2026930
Oct 06, 2026930
Oct 05, 2026930
Oct 02, 202693No prior observation