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Contract OI history

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Dec 18, 2026 EXPIRATION

ALAB $270.00 Put

ALAB261218P00270000

Latest saved OI286Oct 23, 2026
Last change+13vs 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. 2861430 2026-10-09: 257 OI2026-10-13: 260 OI2026-10-14: 260 OI2026-10-15: 263 OI2026-10-16: 267 OI2026-10-21: 273 OI2026-10-23: 286 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, 2026Viewing286+13
Oct 21, 2026273+6
Oct 16, 2026267+4
Oct 15, 2026263+3
Oct 14, 20262600
Oct 13, 2026260+3
Oct 09, 2026257No prior observation