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Contract OI history

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Oct 30, 2026 EXPIRATION

ALAB $310.00 Put

ALAB261030P00310000

Latest saved OI179Oct 23, 2026
Last change+17vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ALAB $310.00 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. 179890 2026-10-09: 143 OI2026-10-13: 154 OI2026-10-14: 154 OI2026-10-15: 166 OI2026-10-16: 171 OI2026-10-21: 162 OI2026-10-23: 179 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, 2026Viewing179+17
Oct 21, 2026162-9
Oct 16, 2026171+5
Oct 15, 2026166+12
Oct 14, 20261540
Oct 13, 2026154+11
Oct 09, 2026143No prior observation