OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

BMI $115.00 Put

BMI261120P00115000

Latest saved OI243Oct 20, 2026
Last change-92vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BMI $115.00 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. 3351670 2026-10-02: 63 OI2026-10-05: 63 OI2026-10-06: 64 OI2026-10-07: 67 OI2026-10-08: 334 OI2026-10-09: 334 OI2026-10-13: 335 OI2026-10-14: 335 OI2026-10-16: 335 OI2026-10-20: 243 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, 2026Viewing243-92
Oct 16, 20263350
Oct 14, 20263350
Oct 13, 2026335+1
Oct 09, 20263340
Oct 08, 2026334+267
Oct 07, 202667+3
Oct 06, 202664+1
Oct 05, 2026630
Oct 02, 202663No prior observation