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Contract OI history

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Sep 17, 2027 EXPIRATION

BX $120.00 Call

BX270917C00120000

Latest saved OI236Oct 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 $120.00 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. 2361180 2026-10-02: 28 OI2026-10-05: 28 OI2026-10-06: 171 OI2026-10-07: 174 OI2026-10-08: 174 OI2026-10-09: 177 OI2026-10-13: 177 OI2026-10-14: 191 OI2026-10-15: 181 OI2026-10-16: 197 OI2026-10-21: 235 OI2026-10-23: 236 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, 2026Viewing236+1
Oct 21, 2026235+38
Oct 16, 2026197+16
Oct 15, 2026181-10
Oct 14, 2026191+14
Oct 13, 20261770
Oct 09, 2026177+3
Oct 08, 20261740
Oct 07, 2026174+3
Oct 06, 2026171+143
Oct 05, 2026280
Oct 02, 202628No prior observation