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Contract OI history

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Jan 15, 2027 EXPIRATION

BX $85.00 Put

BX270115P00085000

Latest saved OI896Oct 23, 2026
Last change-13vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BX $85.00 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. 9094540 2026-10-02: 886 OI2026-10-05: 886 OI2026-10-06: 887 OI2026-10-07: 887 OI2026-10-08: 888 OI2026-10-09: 888 OI2026-10-13: 888 OI2026-10-14: 889 OI2026-10-15: 890 OI2026-10-16: 905 OI2026-10-21: 909 OI2026-10-23: 896 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, 2026Viewing896-13
Oct 21, 2026909+4
Oct 16, 2026905+15
Oct 15, 2026890+1
Oct 14, 2026889+1
Oct 13, 20268880
Oct 09, 20268880
Oct 08, 2026888+1
Oct 07, 20268870
Oct 06, 2026887+1
Oct 05, 20268860
Oct 02, 2026886No prior observation