OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

BMI $155.00 Call

BMI261120C00155000

Latest saved OI65Oct 20, 2026
Last change+7vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BMI $155.00 call open interest history 10 saved observations from 2026-10-02 to 2026-10-20. Exact values and changes are listed in the table below. 65320 2026-10-02: 53 OI2026-10-05: 54 OI2026-10-06: 54 OI2026-10-07: 54 OI2026-10-08: 54 OI2026-10-09: 56 OI2026-10-13: 57 OI2026-10-14: 57 OI2026-10-16: 58 OI2026-10-20: 65 OI Oct 02, 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, 2026Viewing65+7
Oct 16, 202658+1
Oct 14, 2026570
Oct 13, 202657+1
Oct 09, 202656+2
Oct 08, 2026540
Oct 07, 2026540
Oct 06, 2026540
Oct 05, 202654+1
Oct 02, 202653No prior observation