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Contract OI history

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Nov 20, 2026 EXPIRATION

ALM $17.50 Call

ALM261120C00017500

Latest saved OI663Oct 23, 2026
Last change-9vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ALM $17.50 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 6873430 2026-10-09: 687 OI2026-10-13: 678 OI2026-10-14: 678 OI2026-10-15: 672 OI2026-10-16: 672 OI2026-10-21: 672 OI2026-10-23: 663 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, 2026Viewing663-9
Oct 21, 20266720
Oct 16, 20266720
Oct 15, 2026672-6
Oct 14, 20266780
Oct 13, 2026678-9
Oct 09, 2026687No prior observation