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Contract OI history

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Dec 18, 2026 EXPIRATION

ALAB $220.00 Put

ALAB261218P00220000

Latest saved OI742Oct 23, 2026
Last change+8vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ALAB $220.00 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. 7483740 2026-10-09: 709 OI2026-10-13: 713 OI2026-10-14: 713 OI2026-10-15: 748 OI2026-10-16: 734 OI2026-10-21: 734 OI2026-10-23: 742 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, 2026Viewing742+8
Oct 21, 20267340
Oct 16, 2026734-14
Oct 15, 2026748+35
Oct 14, 20267130
Oct 13, 2026713+4
Oct 09, 2026709No prior observation