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Contract OI history

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Dec 18, 2026 EXPIRATION

ALM $7.50 Put

ALM261218P00007500

Latest saved OI531Oct 23, 2026
Last change+27vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ALM $7.50 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. 5312650 2026-10-09: 14 OI2026-10-13: 14 OI2026-10-14: 14 OI2026-10-15: 14 OI2026-10-16: 14 OI2026-10-21: 504 OI2026-10-23: 531 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

ALM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing531+27
Oct 21, 2026504+490
Oct 16, 2026140
Oct 15, 2026140
Oct 14, 2026140
Oct 13, 2026140
Oct 09, 202614No prior observation