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Contract OI history

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Dec 18, 2026 EXPIRATION

ALAB $185.00 Put

ALAB261218P00185000

Latest saved OI561Oct 23, 2026
Last change+27vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ALAB $185.00 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. 5612800 2026-10-09: 534 OI2026-10-13: 534 OI2026-10-14: 534 OI2026-10-15: 534 OI2026-10-16: 534 OI2026-10-21: 534 OI2026-10-23: 561 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, 2026Viewing561+27
Oct 21, 20265340
Oct 16, 20265340
Oct 15, 20265340
Oct 14, 20265340
Oct 13, 20265340
Oct 09, 2026534No prior observation