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Contract OI history

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Jan 15, 2027 EXPIRATION

ALAB $320.00 Put

ALAB270115P00320000

Latest saved OI261Oct 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 $320.00 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. 2611300 2026-10-09: 254 OI2026-10-13: 255 OI2026-10-14: 255 OI2026-10-15: 258 OI2026-10-16: 256 OI2026-10-21: 260 OI2026-10-23: 261 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, 2026Viewing261+1
Oct 21, 2026260+4
Oct 16, 2026256-2
Oct 15, 2026258+3
Oct 14, 20262550
Oct 13, 2026255+1
Oct 09, 2026254No prior observation