OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

BB $9.00 Put

BB261218P00009000

Latest saved OI2,410Oct 23, 2026
Last change-18vs 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. 2,4381,2190 2026-10-02: 2,035 OI2026-10-05: 2,246 OI2026-10-06: 2,229 OI2026-10-07: 2,332 OI2026-10-08: 2,332 OI2026-10-09: 2,436 OI2026-10-13: 2,435 OI2026-10-14: 2,435 OI2026-10-15: 2,438 OI2026-10-16: 2,438 OI2026-10-21: 2,428 OI2026-10-23: 2,410 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, 2026Viewing2,410-18
Oct 21, 20262,428-10
Oct 16, 20262,4380
Oct 15, 20262,438+3
Oct 14, 20262,4350
Oct 13, 20262,435-1
Oct 09, 20262,436+104
Oct 08, 20262,3320
Oct 07, 20262,332+103
Oct 06, 20262,229-17
Oct 05, 20262,246+211
Oct 02, 20262,035No prior observation