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Contract OI history

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Dec 18, 2026 EXPIRATION

BX $155.00 Put

BX261218P00155000

Latest saved OI779Oct 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 $155.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 7813900 2026-10-02: 781 OI2026-10-05: 781 OI2026-10-06: 781 OI2026-10-07: 781 OI2026-10-08: 779 OI2026-10-09: 779 OI2026-10-13: 779 OI2026-10-14: 779 OI2026-10-15: 779 OI2026-10-16: 779 OI2026-10-21: 779 OI2026-10-23: 779 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, 2026Viewing7790
Oct 21, 20267790
Oct 16, 20267790
Oct 15, 20267790
Oct 14, 20267790
Oct 13, 20267790
Oct 09, 20267790
Oct 08, 2026779-2
Oct 07, 20267810
Oct 06, 20267810
Oct 05, 20267810
Oct 02, 2026781No prior observation