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Contract OI history

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Nov 20, 2026 EXPIRATION

ALAB $270.00 Put

ALAB261120P00270000

Latest saved OI443Oct 23, 2026
Last change-16vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ALAB $270.00 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. 4592290 2026-10-09: 343 OI2026-10-13: 393 OI2026-10-14: 393 OI2026-10-15: 418 OI2026-10-16: 428 OI2026-10-21: 459 OI2026-10-23: 443 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, 2026Viewing443-16
Oct 21, 2026459+31
Oct 16, 2026428+10
Oct 15, 2026418+25
Oct 14, 20263930
Oct 13, 2026393+50
Oct 09, 2026343No prior observation