Wiliot Blog

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Physical AI for retail, logistics, and food operators.

What Is Inventory Variance? A Complete Guide

Inventory variance is the gap between recorded and physical stock. Learn its causes, impacts, measurement methods, and control tactics.

Learn what phantom inventory means, why stock records drift from reality, and how the gap creates lost sales and forecasting errors.

Learn how to calculate inventory accuracy with practical formulas for unit counts, line items, and value, plus a workflow for cleaner records.

Learn what inventory accuracy means, why bad counts hurt operations, and how cycle counts, audits, and tracking tech improve trust.