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Contract OI history

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Dec 18, 2026 EXPIRATION

ALAB $250.00 Put

ALAB261218P00250000

Latest saved OI489Oct 23, 2026
Last change-9vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ALAB $250.00 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. 5332660 2026-10-09: 529 OI2026-10-13: 533 OI2026-10-14: 533 OI2026-10-15: 514 OI2026-10-16: 505 OI2026-10-21: 498 OI2026-10-23: 489 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, 2026Viewing489-9
Oct 21, 2026498-7
Oct 16, 2026505-9
Oct 15, 2026514-19
Oct 14, 20265330
Oct 13, 2026533+4
Oct 09, 2026529No prior observation