OITracker Cboe delayed data

Contract OI history

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Dec 17, 2027 EXPIRATION

BL $47.50 Call

BL271217C00047500

Latest saved OI1,435Oct 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 $47.50 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. 1,4357170 2026-10-09: 1,435 OI2026-10-13: 1,435 OI2026-10-14: 1,435 OI2026-10-16: 1,435 OI2026-10-20: 1,435 OI2026-10-23: 1,435 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, 2026Viewing1,4350
Oct 20, 20261,4350
Oct 16, 20261,4350
Oct 14, 20261,4350
Oct 13, 20261,4350
Oct 09, 20261,435No prior observation