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Contract OI history

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Jan 15, 2027 EXPIRATION

ALM $10.00 Put

ALM270115P00010000

Latest saved OI264Oct 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 $10.00 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. 2641320 2026-10-09: 139 OI2026-10-13: 239 OI2026-10-14: 241 OI2026-10-15: 248 OI2026-10-16: 258 OI2026-10-21: 262 OI2026-10-23: 264 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, 2026Viewing264+2
Oct 21, 2026262+4
Oct 16, 2026258+10
Oct 15, 2026248+7
Oct 14, 2026241+2
Oct 13, 2026239+100
Oct 09, 2026139No prior observation