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Contract OI history

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Dec 18, 2026 EXPIRATION

BLSH $45.00 Call

BLSH261218C00045000

Latest saved OI728Oct 23, 2026
Last change+34vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BLSH $45.00 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. 7683840 2026-10-02: 768 OI2026-10-05: 767 OI2026-10-06: 767 OI2026-10-07: 756 OI2026-10-08: 756 OI2026-10-09: 747 OI2026-10-13: 716 OI2026-10-14: 716 OI2026-10-16: 706 OI2026-10-20: 694 OI2026-10-23: 728 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, 2026Viewing728+34
Oct 20, 2026694-12
Oct 16, 2026706-10
Oct 14, 20267160
Oct 13, 2026716-31
Oct 09, 2026747-9
Oct 08, 20267560
Oct 07, 2026756-11
Oct 06, 20267670
Oct 05, 2026767-1
Oct 02, 2026768No prior observation