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Contract OI history

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Mar 19, 2027 EXPIRATION

BX $115.00 Call

BX270319C00115000

Latest saved OI387Oct 23, 2026
Last change+80vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BX $115.00 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. 3871930 2026-10-02: 86 OI2026-10-05: 91 OI2026-10-06: 92 OI2026-10-07: 92 OI2026-10-08: 127 OI2026-10-09: 126 OI2026-10-13: 136 OI2026-10-14: 141 OI2026-10-15: 142 OI2026-10-16: 185 OI2026-10-21: 307 OI2026-10-23: 387 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, 2026Viewing387+80
Oct 21, 2026307+122
Oct 16, 2026185+43
Oct 15, 2026142+1
Oct 14, 2026141+5
Oct 13, 2026136+10
Oct 09, 2026126-1
Oct 08, 2026127+35
Oct 07, 2026920
Oct 06, 202692+1
Oct 05, 202691+5
Oct 02, 202686No prior observation