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Contract OI history

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Nov 20, 2026 EXPIRATION

ALAB $320.00 Put

ALAB261120P00320000

Latest saved OI331Oct 23, 2026
Last change-4vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ALAB $320.00 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. 3601800 2026-10-09: 335 OI2026-10-13: 352 OI2026-10-14: 352 OI2026-10-15: 360 OI2026-10-16: 351 OI2026-10-21: 335 OI2026-10-23: 331 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, 2026Viewing331-4
Oct 21, 2026335-16
Oct 16, 2026351-9
Oct 15, 2026360+8
Oct 14, 20263520
Oct 13, 2026352+17
Oct 09, 2026335No prior observation