OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

BMI $135.00 Call

BMI261218C00135000

Latest saved OI2Oct 20, 2026
Last change+2vs previous saved observation
Saved market days2Oct 16, 2026 onwards
Daily open interest Hover a point for its date and OI
BMI $135.00 call open interest history 2 saved observations from 2026-10-16 to 2026-10-20. Exact values and changes are listed in the table below. 210 2026-10-16: 0 OI2026-10-20: 2 OI Oct 16, 2026Oct 20, 2026

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

BMI contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing2+2
Oct 16, 20260No prior observation