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Contract OI history

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Sep 17, 2027 EXPIRATION

BX $125.00 Put

BX270917P00125000

Latest saved OI1,915Oct 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 $125.00 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. 1,9179580 2026-10-02: 1,906 OI2026-10-05: 1,906 OI2026-10-06: 1,906 OI2026-10-07: 1,908 OI2026-10-08: 1,908 OI2026-10-09: 1,912 OI2026-10-13: 1,912 OI2026-10-14: 1,912 OI2026-10-15: 1,917 OI2026-10-16: 1,914 OI2026-10-21: 1,914 OI2026-10-23: 1,915 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, 2026Viewing1,915+1
Oct 21, 20261,9140
Oct 16, 20261,914-3
Oct 15, 20261,917+5
Oct 14, 20261,9120
Oct 13, 20261,9120
Oct 09, 20261,912+4
Oct 08, 20261,9080
Oct 07, 20261,908+2
Oct 06, 20261,9060
Oct 05, 20261,9060
Oct 02, 20261,906No prior observation