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Glossary · Finance

What is Average inventory?

Average inventory is the typical value of stock held during a period, usually the opening and closing balances averaged, or better, several month-end balances.

It is the denominator of turnover and GMROI. Use value at cost, and take more than two points if stock is built up before a peak.

Formula

Average inventory = (opening + closing) ÷ 2

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