OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

BB $4.50 Call

BB270115C00004500

Latest saved OI1,313Oct 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 $4.50 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. 1,4367180 2026-10-02: 1,436 OI2026-10-05: 1,426 OI2026-10-06: 1,426 OI2026-10-07: 1,426 OI2026-10-08: 1,426 OI2026-10-09: 1,425 OI2026-10-13: 1,425 OI2026-10-14: 1,425 OI2026-10-15: 1,324 OI2026-10-16: 1,324 OI2026-10-21: 1,313 OI2026-10-23: 1,313 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, 2026Viewing1,3130
Oct 21, 20261,313-11
Oct 16, 20261,3240
Oct 15, 20261,324-101
Oct 14, 20261,4250
Oct 13, 20261,4250
Oct 09, 20261,425-1
Oct 08, 20261,4260
Oct 07, 20261,4260
Oct 06, 20261,4260
Oct 05, 20261,426-10
Oct 02, 20261,436No prior observation