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Contract OI history

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Jan 21, 2028 EXPIRATION

BX $100.00 Call

BX280121C00100000

Latest saved OI793Oct 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 $100.00 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. 7933960 2026-10-02: 784 OI2026-10-05: 780 OI2026-10-06: 782 OI2026-10-07: 783 OI2026-10-08: 784 OI2026-10-09: 784 OI2026-10-13: 784 OI2026-10-14: 784 OI2026-10-15: 788 OI2026-10-16: 792 OI2026-10-21: 793 OI2026-10-23: 793 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, 2026Viewing7930
Oct 21, 2026793+1
Oct 16, 2026792+4
Oct 15, 2026788+4
Oct 14, 20267840
Oct 13, 20267840
Oct 09, 20267840
Oct 08, 2026784+1
Oct 07, 2026783+1
Oct 06, 2026782+2
Oct 05, 2026780-4
Oct 02, 2026784No prior observation