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Contract OI history

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Nov 20, 2026 EXPIRATION

BZAI $500.00 Put

BZAI261120P00000500

Latest saved OI181Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
BZAI $500.00 put open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 186930 2026-10-09: 186 OI2026-10-13: 186 OI2026-10-15: 186 OI2026-10-16: 186 OI2026-10-20: 181 OI2026-10-23: 181 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, 2026Viewing1810
Oct 20, 2026181-5
Oct 16, 20261860
Oct 15, 20261860
Oct 13, 20261860
Oct 09, 2026186No prior observation