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Contract OI history

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Jan 15, 2027 EXPIRATION

ALM $12.50 Put

ALM270115P00012500

Latest saved OI102Oct 23, 2026
Last change-5vs 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. 107530 2026-10-09: 96 OI2026-10-13: 106 OI2026-10-14: 106 OI2026-10-15: 107 OI2026-10-16: 107 OI2026-10-21: 107 OI2026-10-23: 102 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, 2026Viewing102-5
Oct 21, 20261070
Oct 16, 20261070
Oct 15, 2026107+1
Oct 14, 20261060
Oct 13, 2026106+10
Oct 09, 202696No prior observation