OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

BB $18.00 Call

BB270115C00018000

Latest saved OI581Oct 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 $18.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 5812900 2026-10-02: 580 OI2026-10-05: 580 OI2026-10-06: 580 OI2026-10-07: 580 OI2026-10-08: 580 OI2026-10-09: 580 OI2026-10-13: 580 OI2026-10-14: 580 OI2026-10-15: 581 OI2026-10-16: 581 OI2026-10-21: 581 OI2026-10-23: 581 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, 2026Viewing5810
Oct 21, 20265810
Oct 16, 20265810
Oct 15, 2026581+1
Oct 14, 20265800
Oct 13, 20265800
Oct 09, 20265800
Oct 08, 20265800
Oct 07, 20265800
Oct 06, 20265800
Oct 05, 20265800
Oct 02, 2026580No prior observation