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Contract OI history

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Mar 19, 2027 EXPIRATION

ALAB $250.00 Put

ALAB270319P00250000

Latest saved OI501Oct 23, 2026
Last change+108vs 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. 5012500 2026-10-09: 255 OI2026-10-13: 287 OI2026-10-14: 287 OI2026-10-15: 308 OI2026-10-16: 355 OI2026-10-21: 393 OI2026-10-23: 501 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, 2026Viewing501+108
Oct 21, 2026393+38
Oct 16, 2026355+47
Oct 15, 2026308+21
Oct 14, 20262870
Oct 13, 2026287+32
Oct 09, 2026255No prior observation