Why market capitalisation matters to a first-time founder
Market capitalisation shows what the stock market currently values all outstanding shares of a listed company at. Founders may encounter it when comparing public competitors or considering an eventual listing. It is a useful scale indicator, but it says nothing by itself about cash, debt, profitability or what an acquirer would pay.
Examples of market capitalisation
A listed software company has 20 million shares outstanding and each trades at €3. Its market capitalisation is €60 million. If the price falls to €2.40 with the share count unchanged, the figure becomes €48 million, even though no cash has directly left the company.
Common misunderstanding
It is not the same as company value in every context. Market capitalisation counts the market value of equity only. A buyer assessing the whole operating business also considers debt and cash, often through enterprise value. Private companies have no continuously quoted share price, so their valuations are estimates instead.
When to use it
Use it to compare the public-market size of listed competitors or track how investors react to material news. Do not use it as a startup valuation shortcut, a measure of annual revenue or a takeover price. Check the current diluted share count before relying on the calculation.
US spelling: market capitalization.