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Contract OI history

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Mar 19, 2027 EXPIRATION

BX $155.00 Call

BX270319C00155000

Latest saved OI504Oct 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 $155.00 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. 5042520 2026-10-02: 492 OI2026-10-05: 492 OI2026-10-06: 492 OI2026-10-07: 492 OI2026-10-08: 492 OI2026-10-09: 492 OI2026-10-13: 492 OI2026-10-14: 487 OI2026-10-15: 487 OI2026-10-16: 501 OI2026-10-21: 503 OI2026-10-23: 504 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, 2026Viewing504+1
Oct 21, 2026503+2
Oct 16, 2026501+14
Oct 15, 20264870
Oct 14, 2026487-5
Oct 13, 20264920
Oct 09, 20264920
Oct 08, 20264920
Oct 07, 20264920
Oct 06, 20264920
Oct 05, 20264920
Oct 02, 2026492No prior observation