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Contract OI history

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Mar 19, 2027 EXPIRATION

ALAB $320.00 Put

ALAB270319P00320000

Latest saved OI149Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ALAB $320.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 150750 2026-10-09: 149 OI2026-10-13: 149 OI2026-10-14: 149 OI2026-10-15: 150 OI2026-10-16: 150 OI2026-10-21: 149 OI2026-10-23: 149 OI Oct 09, 2026Oct 23, 2026

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

ALAB contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1490
Oct 21, 2026149-1
Oct 16, 20261500
Oct 15, 2026150+1
Oct 14, 20261490
Oct 13, 20261490
Oct 09, 2026149No prior observation