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Contract OI history

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Jun 17, 2027 EXPIRATION

BX $135.00 Call

BX270617C00135000

Latest saved OI1,007Oct 23, 2026
Last change+3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BX $135.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,0075030 2026-10-02: 979 OI2026-10-05: 983 OI2026-10-06: 983 OI2026-10-07: 985 OI2026-10-08: 986 OI2026-10-09: 979 OI2026-10-13: 979 OI2026-10-14: 983 OI2026-10-15: 973 OI2026-10-16: 981 OI2026-10-21: 1,004 OI2026-10-23: 1,007 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, 2026Viewing1,007+3
Oct 21, 20261,004+23
Oct 16, 2026981+8
Oct 15, 2026973-10
Oct 14, 2026983+4
Oct 13, 20269790
Oct 09, 2026979-7
Oct 08, 2026986+1
Oct 07, 2026985+2
Oct 06, 20269830
Oct 05, 2026983+4
Oct 02, 2026979No prior observation