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Contract OI history

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Sep 17, 2027 EXPIRATION

ALM $17.50 Call

ALM270917C00017500

Latest saved OI3,056Oct 23, 2026
Last change+2vs 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. 3,0641,5320 2026-10-09: 3,049 OI2026-10-13: 3,063 OI2026-10-14: 3,063 OI2026-10-15: 3,064 OI2026-10-16: 3,043 OI2026-10-21: 3,054 OI2026-10-23: 3,056 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, 2026Viewing3,056+2
Oct 21, 20263,054+11
Oct 16, 20263,043-21
Oct 15, 20263,064+1
Oct 14, 20263,0630
Oct 13, 20263,063+14
Oct 09, 20263,049No prior observation