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Contract OI history

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Sep 17, 2027 EXPIRATION

ALAB $220.00 Put

ALAB270917P00220000

Latest saved OI649Oct 23, 2026
Last change+11vs 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. 6493240 2026-10-09: 26 OI2026-10-13: 25 OI2026-10-14: 25 OI2026-10-15: 627 OI2026-10-16: 627 OI2026-10-21: 638 OI2026-10-23: 649 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, 2026Viewing649+11
Oct 21, 2026638+11
Oct 16, 20266270
Oct 15, 2026627+602
Oct 14, 2026250
Oct 13, 202625-1
Oct 09, 202626No prior observation