Trading glossary
Learn what market capitalization means, how it is calculated for stocks and crypto, and why traders use it to gauge relative size and risk profile.
Market capitalization, often shortened to market cap, expresses the aggregate market value of a security or crypto asset. For a stock, it is the share price multiplied by the number of shares outstanding. For a cryptocurrency, it is the token price multiplied by circulating supply. The figure lets traders compare the relative size of assets rather than judging by price per unit alone.
The formula is straightforward: current price times the number of units outstanding. A token trading at two dollars with fifty million units in circulation has a market cap of one hundred million dollars. Because price changes continuously, market cap is a live figure that updates with every tick. A low unit price does not mean an asset is small, and a high unit price does not mean it is large.
Market cap helps categorize assets into broad tiers, sometimes labeled large, mid, and small. Larger-cap assets tend to trade with deeper liquidity and less dramatic price swings, while smaller-cap assets can move sharply on lighter volume. Traders use these tiers as one input when weighing volatility and liquidity, not as a forecast. This is educational information, not personalized financial advice, and all markets carry risk including loss of capital.
No. Market cap reflects total market value, not quality, safety, or future performance. It is one descriptive metric among many and does not indicate whether an asset is likely to rise or fall.
The concept is the same, but crypto uses circulating supply rather than shares outstanding. Supply schedules, locked tokens, and emissions can make crypto market cap less stable than a company's share count.
Fully diluted valuation multiplies price by the maximum possible supply rather than the currently circulating supply, showing what market cap would be if every unit existed at today's price.