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Contract OI history

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Dec 18, 2026 EXPIRATION

BX $175.00 Call

BX261218C00175000

Latest saved OI1,184Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BX $175.00 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. 1,1925960 2026-10-02: 1,191 OI2026-10-05: 1,192 OI2026-10-06: 1,192 OI2026-10-07: 1,192 OI2026-10-08: 1,192 OI2026-10-09: 1,192 OI2026-10-13: 1,191 OI2026-10-14: 1,191 OI2026-10-15: 1,183 OI2026-10-16: 1,184 OI2026-10-21: 1,183 OI2026-10-23: 1,184 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, 2026Viewing1,184+1
Oct 21, 20261,183-1
Oct 16, 20261,184+1
Oct 15, 20261,183-8
Oct 14, 20261,1910
Oct 13, 20261,191-1
Oct 09, 20261,1920
Oct 08, 20261,1920
Oct 07, 20261,1920
Oct 06, 20261,1920
Oct 05, 20261,192+1
Oct 02, 20261,191No prior observation