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Contract OI history

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Nov 20, 2026 EXPIRATION

BZAI $500.00 Call

BZAI261120C00000500

Latest saved OI574Oct 23, 2026
Last change+1vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
BZAI $500.00 call open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 5742870 2026-10-09: 489 OI2026-10-13: 490 OI2026-10-15: 550 OI2026-10-16: 550 OI2026-10-20: 573 OI2026-10-23: 574 OI Oct 09, 2026Oct 23, 2026

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

BZAI contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing574+1
Oct 20, 2026573+23
Oct 16, 20265500
Oct 15, 2026550+60
Oct 13, 2026490+1
Oct 09, 2026489No prior observation