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Contract OI history

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Dec 18, 2026 EXPIRATION

ALAB $340.00 Put

ALAB261218P00340000

Latest saved OI138Oct 23, 2026
Last change+2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ALAB $340.00 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. 138690 2026-10-09: 105 OI2026-10-13: 132 OI2026-10-14: 132 OI2026-10-15: 132 OI2026-10-16: 126 OI2026-10-21: 136 OI2026-10-23: 138 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, 2026Viewing138+2
Oct 21, 2026136+10
Oct 16, 2026126-6
Oct 15, 20261320
Oct 14, 20261320
Oct 13, 2026132+27
Oct 09, 2026105No prior observation