Market Capitalization (Market Cap)

The total value of a cryptocurrency’s circulating supply, calculated as coin price multiplied by coins in circulation.

Market capitalization, often shortened to market cap or MCAP, is a metric that estimates the total market value of a cryptocurrency network. In crypto, it is most commonly calculated by multiplying the current price of a coin or token by its circulating supply. Because it converts supply and price into a single number, market cap is widely used to compare the relative size of different crypto assets.

How market cap is calculated in crypto

The basic formula is straightforward: market cap = price per coin × circulating supply. Circulating supply refers to coins that are publicly available and likely to be traded, not necessarily the maximum supply a project might eventually reach. For example, if a token trades at a given price and has a large circulating supply, it can have a higher market cap than a higher priced token with far fewer units in circulation.

It is important to note that market cap is not the same as “money invested” in an asset. Crypto prices are set at the margin, meaning the most recent trades can revalue the entire circulating supply, even if only a small portion is actively trading at any moment.

How investors use market cap, and common pitfalls

Market cap is often used to rank cryptocurrencies and to group them by size, which can loosely correlate with liquidity, exchange availability, and market attention. For instance, investors may compare a new token’s market cap to established networks to gauge how large it has become or how large it could become if adoption grows.

However, market cap can be misleading when supply figures are unclear, heavily concentrated, or subject to large unlocks. Fully diluted valuation (FDV), which uses maximum supply instead of circulating supply, is sometimes referenced alongside market cap to understand potential future dilution.

Market cap matters because it provides a common yardstick for comparing crypto assets, while also highlighting why supply design and token distribution are critical to evaluating a project’s real market footprint.