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Contract OI history

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Nov 20, 2026 EXPIRATION

ALM $12.50 Put

ALM261120P00012500

Latest saved OI903Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ALM $12.50 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. 9254620 2026-10-09: 906 OI2026-10-13: 891 OI2026-10-14: 925 OI2026-10-15: 921 OI2026-10-16: 892 OI2026-10-21: 903 OI2026-10-23: 903 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, 2026Viewing9030
Oct 21, 2026903+11
Oct 16, 2026892-29
Oct 15, 2026921-4
Oct 14, 2026925+34
Oct 13, 2026891-15
Oct 09, 2026906No prior observation