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Contract OI history

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Jan 21, 2028 EXPIRATION

BZAI $500.00 Call

BZAI280121C00000500

Latest saved OI1,586Oct 23, 2026
Last change+19vs 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. 1,5867930 2026-10-09: 1,547 OI2026-10-13: 1,552 OI2026-10-15: 1,552 OI2026-10-16: 1,567 OI2026-10-20: 1,567 OI2026-10-23: 1,586 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, 2026Viewing1,586+19
Oct 20, 20261,5670
Oct 16, 20261,567+15
Oct 15, 20261,5520
Oct 13, 20261,552+5
Oct 09, 20261,547No prior observation