Investing term

What is Inventory?

Goods the company has made or bought but not yet sold.

Inventory is the goods a company has made or bought but not yet sold, recorded as a current asset on the balance sheet. For a manufacturer it includes raw materials, work in progress, and finished goods; for a retailer, the products on the shelves and in the warehouse.

Watching inventory relative to sales is revealing. Inventory piling up faster than revenue can mean products aren't selling, demand is softening, or write-downs may loom as goods become obsolete or need discounting. Lean, fast-moving inventory signals healthy demand and efficient operations. Inventory also ties up cash — money is spent making or buying goods before any comes back from selling them — so bloated inventory is both a demand warning and a drain on the cash a business runs on.

Goods made but not yet sold
100125150startlaterinventorysalesinventory outrunning sales — a warningInventory piling up faster than sales warns of softening demand and looming markdowns.

Inventory is stock a company has made or bought but not sold. When it swells much faster than sales, products may not be moving — a precursor to discounts, write-downs, and a drain on cash.

For example

A retailer's inventory swells 50% while sales rise 5% — a warning that products aren't moving and discounts or write-downs may be coming.

Learn it by doing

That's Inventory in theory — it clicks when you use it. Practise it hands-on in a free, interactive lesson (Stage 14, Reading Financial Statements).

Try the free lesson →

Why it matters to you

Inventory matters because it's a real-time signal of demand and operational health, and a claim on cash. Rising inventory relative to sales often precedes discounting, write-downs, and disappointing results, giving an early warning the income statement hasn't yet shown. It also locks up cash that could be working elsewhere. For product businesses, tracking the inventory-to-sales relationship is one of the simplest ways to sense whether things are going well or quietly deteriorating.

⚠ Ignoring inventory rising faster than sales

When inventory grows much faster than revenue, it often means goods aren't selling — a precursor to markdowns, write-downs, and weak future results, plus a drain on cash. Focusing only on reported sales while overlooking swelling inventory can miss a demand problem building beneath the surface, one that the profit figures won't reveal until later.

Frequently asked questions

What is inventory in accounting?

Inventory is the goods a company has made or purchased but not yet sold, recorded as a current asset. It includes raw materials, work in progress, and finished goods for a manufacturer, or stock on shelves and in warehouses for a retailer — value waiting to be converted into sales.

Why watch inventory relative to sales?

Because inventory rising much faster than sales can signal that products aren't moving — softening demand, over-ordering, or looming write-downs and discounts. Lean, fast-moving inventory suggests healthy demand and efficiency. The relationship is an early warning the income statement may not yet reflect.

How does inventory affect cash flow?

Making or buying inventory consumes cash before any comes back from selling it, so a build-up ties up cash a business could use elsewhere. Rising inventory reduces operating cash flow even if profit looks fine, which is one way a profitable company can still be short of cash.

Related terms

Accounts receivable (A/R)Money customers owe the company for goods or services already delivered but not yet paid.AccrualsAccounting entries that record revenue or expense before cash actually moves.Annual reportThe yearly disclosure that includes audited financials, MD&A, and footnotes — the primary source for serious investors.Balance sheetThe 'photo' statement — what the company owns, what it owes, and what's left for owners, on a single date.
← Back to the full glossary