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Contract OI history

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Sep 17, 2027 EXPIRATION

BX $75.00 Put

BX270917P00075000

Latest saved OI1,105Oct 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 $75.00 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. 1,1055520 2026-10-02: 1,004 OI2026-10-05: 1,005 OI2026-10-06: 1,005 OI2026-10-07: 1,005 OI2026-10-08: 1,005 OI2026-10-09: 1,005 OI2026-10-13: 1,005 OI2026-10-14: 1,005 OI2026-10-15: 1,005 OI2026-10-16: 1,105 OI2026-10-21: 1,105 OI2026-10-23: 1,105 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, 2026Viewing1,1050
Oct 21, 20261,1050
Oct 16, 20261,105+100
Oct 15, 20261,0050
Oct 14, 20261,0050
Oct 13, 20261,0050
Oct 09, 20261,0050
Oct 08, 20261,0050
Oct 07, 20261,0050
Oct 06, 20261,0050
Oct 05, 20261,005+1
Oct 02, 20261,004No prior observation