OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

BX $100.00 Call

BX261120C00100000

Latest saved OI224Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BX $100.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2241120 2026-10-02: 95 OI2026-10-05: 95 OI2026-10-06: 95 OI2026-10-07: 95 OI2026-10-08: 95 OI2026-10-09: 95 OI2026-10-13: 96 OI2026-10-14: 114 OI2026-10-15: 116 OI2026-10-16: 116 OI2026-10-21: 224 OI2026-10-23: 224 OI Oct 02, 2026Oct 23, 2026

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

BX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2240
Oct 21, 2026224+108
Oct 16, 20261160
Oct 15, 2026116+2
Oct 14, 2026114+18
Oct 13, 202696+1
Oct 09, 2026950
Oct 08, 2026950
Oct 07, 2026950
Oct 06, 2026950
Oct 05, 2026950
Oct 02, 202695No prior observation