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Contract OI history

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Nov 06, 2026 EXPIRATION

BLSH $34.50 Call

BLSH261106C00034500

Latest saved OI11Oct 23, 2026
Last change+11vs previous saved observation
Saved market days2Oct 20, 2026 onwards
Daily open interest Hover a point for its date and OI
BLSH $34.50 call open interest history 2 saved observations from 2026-10-20 to 2026-10-23. Exact values and changes are listed in the table below. 1150 2026-10-20: 0 OI2026-10-23: 11 OI Oct 20, 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, 2026Viewing11+11
Oct 20, 20260No prior observation