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Contract OI history

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Dec 18, 2026 EXPIRATION

ALAB $320.00 Put

ALAB261218P00320000

Latest saved OI310Oct 23, 2026
Last change+1vs 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. 3101550 2026-10-09: 274 OI2026-10-13: 278 OI2026-10-14: 278 OI2026-10-15: 290 OI2026-10-16: 308 OI2026-10-21: 309 OI2026-10-23: 310 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, 2026Viewing310+1
Oct 21, 2026309+1
Oct 16, 2026308+18
Oct 15, 2026290+12
Oct 14, 20262780
Oct 13, 2026278+4
Oct 09, 2026274No prior observation