OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

BX $150.00 Call

BX261120C00150000

Latest saved OI1,395Oct 23, 2026
Last change-4vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BX $150.00 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. 1,4507250 2026-10-02: 1,448 OI2026-10-05: 1,450 OI2026-10-06: 1,443 OI2026-10-07: 1,445 OI2026-10-08: 1,444 OI2026-10-09: 1,444 OI2026-10-13: 1,444 OI2026-10-14: 1,405 OI2026-10-15: 1,402 OI2026-10-16: 1,402 OI2026-10-21: 1,399 OI2026-10-23: 1,395 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, 2026Viewing1,395-4
Oct 21, 20261,399-3
Oct 16, 20261,4020
Oct 15, 20261,402-3
Oct 14, 20261,405-39
Oct 13, 20261,4440
Oct 09, 20261,4440
Oct 08, 20261,444-1
Oct 07, 20261,445+2
Oct 06, 20261,443-7
Oct 05, 20261,450+2
Oct 02, 20261,448No prior observation