OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

BL $65.00 Call

BL261218C00065000

Latest saved OI7Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
BL $65.00 call open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 730 2026-10-09: 7 OI2026-10-13: 7 OI2026-10-14: 7 OI2026-10-16: 7 OI2026-10-20: 7 OI2026-10-23: 7 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

BL contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing70
Oct 20, 202670
Oct 16, 202670
Oct 14, 202670
Oct 13, 202670
Oct 09, 20267No prior observation