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Contract OI history

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Jun 17, 2027 EXPIRATION

BX $100.00 Put

BX270617P00100000

Latest saved OI6,118Oct 23, 2026
Last change+8vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BX $100.00 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. 6,1183,0590 2026-10-02: 5,816 OI2026-10-05: 5,826 OI2026-10-06: 5,820 OI2026-10-07: 5,820 OI2026-10-08: 5,831 OI2026-10-09: 5,831 OI2026-10-13: 5,831 OI2026-10-14: 5,831 OI2026-10-15: 6,073 OI2026-10-16: 6,075 OI2026-10-21: 6,110 OI2026-10-23: 6,118 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, 2026Viewing6,118+8
Oct 21, 20266,110+35
Oct 16, 20266,075+2
Oct 15, 20266,073+242
Oct 14, 20265,8310
Oct 13, 20265,8310
Oct 09, 20265,8310
Oct 08, 20265,831+11
Oct 07, 20265,8200
Oct 06, 20265,820-6
Oct 05, 20265,826+10
Oct 02, 20265,816No prior observation