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Contract OI history

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Jan 21, 2028 EXPIRATION

BX $155.00 Call

BX280121C00155000

Latest saved OI571Oct 23, 2026
Last change+2vs 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. 5712850 2026-10-02: 555 OI2026-10-05: 555 OI2026-10-06: 555 OI2026-10-07: 563 OI2026-10-08: 563 OI2026-10-09: 563 OI2026-10-13: 563 OI2026-10-14: 563 OI2026-10-15: 563 OI2026-10-16: 563 OI2026-10-21: 569 OI2026-10-23: 571 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, 2026Viewing571+2
Oct 21, 2026569+6
Oct 16, 20265630
Oct 15, 20265630
Oct 14, 20265630
Oct 13, 20265630
Oct 09, 20265630
Oct 08, 20265630
Oct 07, 2026563+8
Oct 06, 20265550
Oct 05, 20265550
Oct 02, 2026555No prior observation