OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

BMI $100.00 Put

BMI261120P00100000

Latest saved OI35Oct 20, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BMI $100.00 put open interest history 10 saved observations from 2026-10-02 to 2026-10-20. Exact values and changes are listed in the table below. 35170 2026-10-02: 33 OI2026-10-05: 33 OI2026-10-06: 33 OI2026-10-07: 33 OI2026-10-08: 33 OI2026-10-09: 33 OI2026-10-13: 34 OI2026-10-14: 35 OI2026-10-16: 35 OI2026-10-20: 35 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, 2026Viewing350
Oct 16, 2026350
Oct 14, 202635+1
Oct 13, 202634+1
Oct 09, 2026330
Oct 08, 2026330
Oct 07, 2026330
Oct 06, 2026330
Oct 05, 2026330
Oct 02, 202633No prior observation