Amazon Technologies, Inc.

Alvaro Maggiar

Chengliang Zhang

Ali Sadighian

Hernan P Awad

Nicholas Deming Sherman

Andrew Bass

Stevie Robinson

Embodiments herein are directed to determining an expected demand for an item. The specialized computer system can model an impact to an expected demand for the item between a current planning horizon and a next planning horizon, including an estimated leftover demand to be fulfilled during the next planning horizon. As calculated, this leftover demand may be less than an unfulfilled demand from the current planning horizon and may be estimated based at least in part on the unfulfilled demand and on historical leftover demand between planning horizons.

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Seattle, WA, United States of America

Alvaro Maggiar