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Contract OI history

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Dec 18, 2026 EXPIRATION

ALAB $240.00 Put

ALAB261218P00240000

Latest saved OI563Oct 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 $240.00 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. 5752870 2026-10-09: 561 OI2026-10-13: 575 OI2026-10-14: 575 OI2026-10-15: 569 OI2026-10-16: 549 OI2026-10-21: 563 OI2026-10-23: 563 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, 2026Viewing5630
Oct 21, 2026563+14
Oct 16, 2026549-20
Oct 15, 2026569-6
Oct 14, 20265750
Oct 13, 2026575+14
Oct 09, 2026561No prior observation