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Market Cap

Market cap, or market capitalization, measures a cryptocurrency's total value. Calculate it by multiplying the current price by the circulating supply.

General
Updated: Mar 19, 2026
Also known as: market capitalization mcap

What Is a Market Cap?

A Market Cap is the total estimated value of a cryptocurrency's circulating supply at its current market price. It provides a snapshot of the asset's size in the market. Also called market capitalization or mcap, it helps investors compare crypto projects.

Calculate market cap by multiplying the current price per coin by the circulating supply. Use this formula: Market Cap = Current Price × Circulating Supply. Circulating supply counts only tokens available for trading, not those locked or reserved. For example, if Ethereum trades at $3,000 with 120 million ETH circulating, its market cap reaches $360 billion.

Market cap matters because it ranks cryptocurrencies by size and indicates liquidity and stability. Large-cap assets like Bitcoin resist manipulation better due to high trading volume and broad adoption. Small-cap coins offer growth potential but higher volatility and risk. It guides portfolio allocation and reveals market sentiment.

Key types include fully diluted market cap, which uses total supply instead of circulating supply to predict future value. Categories classify assets: large-cap (over $10 billion), mid-cap ($1-10 billion), and small-cap (under $1 billion). Always pair market cap with trading volume and tokenomics for full context.

GeneralCryptocurrency

Cryptocurrency is a digital or virtual currency secured by cryptography, operating on decentralized blockchain networks to enable secure, peer-to-peer transactions.

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BlockchainUTXO

UTXO (Unspent Transaction Output) is a unit of cryptocurrency from a previous transaction that remains unspent and serves as input for new transactions in blockchains like Bitcoin.

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BlockchainEthereum

Ethereum is a decentralized blockchain platform that enables smart contracts and decentralized applications (dApps). Its native cryptocurrency is Ether (ETH).

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BlockchainBitcoin

Bitcoin (BTC) is the first decentralized cryptocurrency, launched in 2009. It uses blockchain technology for secure, peer-to-peer digital transactions without intermediaries.

Read full definition

Real-World Examples

Example 1: An investor checks Bitcoin's market cap before buying. Bitcoin trades at $60,000 with 19.7 million BTC circulating. Market cap equals $1.18 trillion ($60,000 × 19,700,000). This large size signals high liquidity.

Example 2: A trader compares projects. Ethereum has a $400 billion market cap, while a new altcoin sits at $200 million. The trader favors Ethereum for lower volatility due to its large-cap status.

  • Large-cap: Over $10 billion (e.g., Bitcoin)
  • Mid-cap: $1-10 billion
  • Small-cap: Under $1 billion

Example 3: Portfolio builders use market cap for allocation. They assign 70% to top large-cap assets like Bitcoin and Ethereum for stability, and 10% to small-cap tokens for growth potential.

Example 4: A project shows $500 million circulating market cap. Fully diluted market cap reaches $2 billion using total supply. Investors watch this to assess future dilution risks.

BlockchainBitcoin

Bitcoin (BTC) is the first decentralized cryptocurrency, launched in 2009. It uses blockchain technology for secure, peer-to-peer digital transactions without intermediaries.

Read full definition
BlockchainEthereum

Ethereum is a decentralized blockchain platform that enables smart contracts and decentralized applications (dApps). Its native cryptocurrency is Ether (ETH).

Read full definition
GeneralAltcoin

An altcoin is any cryptocurrency other than Bitcoin.

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