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Contract OI history

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Sep 17, 2027 EXPIRATION

ALAB $210.00 Put

ALAB270917P00210000

Latest saved OI558Oct 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 $210.00 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. 5582790 2026-10-09: 327 OI2026-10-13: 327 OI2026-10-14: 327 OI2026-10-15: 327 OI2026-10-16: 557 OI2026-10-21: 558 OI2026-10-23: 558 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, 2026Viewing5580
Oct 21, 2026558+1
Oct 16, 2026557+230
Oct 15, 20263270
Oct 14, 20263270
Oct 13, 20263270
Oct 09, 2026327No prior observation