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Contract OI history

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Dec 15, 2028 EXPIRATION

BX $115.00 Put

BX281215P00115000

Latest saved OI1,779Oct 23, 2026
Last change+38vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BX $115.00 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. 1,7798890 2026-10-02: 1,737 OI2026-10-05: 1,737 OI2026-10-06: 1,740 OI2026-10-07: 1,740 OI2026-10-08: 1,740 OI2026-10-09: 1,741 OI2026-10-13: 1,741 OI2026-10-14: 1,741 OI2026-10-15: 1,741 OI2026-10-16: 1,741 OI2026-10-21: 1,741 OI2026-10-23: 1,779 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, 2026Viewing1,779+38
Oct 21, 20261,7410
Oct 16, 20261,7410
Oct 15, 20261,7410
Oct 14, 20261,7410
Oct 13, 20261,7410
Oct 09, 20261,741+1
Oct 08, 20261,7400
Oct 07, 20261,7400
Oct 06, 20261,740+3
Oct 05, 20261,7370
Oct 02, 20261,737No prior observation