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Contract OI history

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Jan 21, 2028 EXPIRATION

BX $210.00 Call

BX280121C00210000

Latest saved OI538Oct 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 $210.00 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. 5412700 2026-10-02: 540 OI2026-10-05: 540 OI2026-10-06: 540 OI2026-10-07: 540 OI2026-10-08: 540 OI2026-10-09: 540 OI2026-10-13: 540 OI2026-10-14: 540 OI2026-10-15: 541 OI2026-10-16: 538 OI2026-10-21: 538 OI2026-10-23: 538 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, 2026Viewing5380
Oct 21, 20265380
Oct 16, 2026538-3
Oct 15, 2026541+1
Oct 14, 20265400
Oct 13, 20265400
Oct 09, 20265400
Oct 08, 20265400
Oct 07, 20265400
Oct 06, 20265400
Oct 05, 20265400
Oct 02, 2026540No prior observation