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Contract OI history

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Oct 23, 2026 EXPIRATION

BLSH $40.00 Call

BLSH261023C00040000

Latest saved OI96Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BLSH $40.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 107530 2026-10-02: 36 OI2026-10-05: 38 OI2026-10-06: 38 OI2026-10-07: 56 OI2026-10-08: 56 OI2026-10-09: 56 OI2026-10-13: 107 OI2026-10-14: 107 OI2026-10-16: 106 OI2026-10-20: 96 OI2026-10-23: 96 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

BLSH contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing960
Oct 20, 202696-10
Oct 16, 2026106-1
Oct 14, 20261070
Oct 13, 2026107+51
Oct 09, 2026560
Oct 08, 2026560
Oct 07, 202656+18
Oct 06, 2026380
Oct 05, 202638+2
Oct 02, 202636No prior observation