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Contract OI history

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Dec 15, 2028 EXPIRATION

BX $85.00 Call

BX281215C00085000

Latest saved OI78Oct 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 $85.00 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. 78390 2026-10-02: 40 OI2026-10-05: 44 OI2026-10-06: 44 OI2026-10-07: 44 OI2026-10-08: 50 OI2026-10-09: 50 OI2026-10-13: 50 OI2026-10-14: 77 OI2026-10-15: 77 OI2026-10-16: 77 OI2026-10-21: 78 OI2026-10-23: 78 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, 2026Viewing780
Oct 21, 202678+1
Oct 16, 2026770
Oct 15, 2026770
Oct 14, 202677+27
Oct 13, 2026500
Oct 09, 2026500
Oct 08, 202650+6
Oct 07, 2026440
Oct 06, 2026440
Oct 05, 202644+4
Oct 02, 202640No prior observation