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Contract OI history

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Jan 21, 2028 EXPIRATION

ALAB $270.00 Put

ALAB280121P00270000

Latest saved OI101Oct 23, 2026
Last change+1vs 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. 101500 2026-10-09: 97 OI2026-10-13: 97 OI2026-10-14: 97 OI2026-10-15: 97 OI2026-10-16: 99 OI2026-10-21: 100 OI2026-10-23: 101 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, 2026Viewing101+1
Oct 21, 2026100+1
Oct 16, 202699+2
Oct 15, 2026970
Oct 14, 2026970
Oct 13, 2026970
Oct 09, 202697No prior observation