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Contract OI history

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Jan 15, 2027 EXPIRATION

ALAB $22.50 Put

ALAB270115P00022500

Latest saved OI158Oct 23, 2026
Last change-5vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ALAB $22.50 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. 163810 2026-10-09: 163 OI2026-10-13: 163 OI2026-10-14: 163 OI2026-10-15: 163 OI2026-10-16: 163 OI2026-10-21: 163 OI2026-10-23: 158 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, 2026Viewing158-5
Oct 21, 20261630
Oct 16, 20261630
Oct 15, 20261630
Oct 14, 20261630
Oct 13, 20261630
Oct 09, 2026163No prior observation