Crypto Market Cap Today
Real-time total cryptocurrency market capitalization, Bitcoin dominance, and top 10 coins by market cap. Updated every 5 minutes.
Source: CoinGecko — refreshed every 5 minutes
Market Dominance
LiveHow the total crypto market cap is distributed across Bitcoin, Ethereum, and all altcoins
Top 10 by Market Cap
The 10 largest cryptocurrencies — making up the majority of total crypto market cap
| # | Asset | Market Cap | 24h Change |
|---|---|---|---|
| 1 |  Bitcoin BTC | $1.25T | -3.19% |
| 2 |  Ethereum ETH | $200.25B | -4.28% |
| 3 |  Tether USDT | $186.11B | -0.01% |
| 4 |  BNB BNB | $77.44B | -2.87% |
| 5 |  USDC USDC | $74.22B | -0.00% |
| 6 |  XRP XRP | $68.23B | -2.80% |
| 7 |  Solana SOL | $39.97B | -5.23% |
| 8 |  TRON TRX | $31.19B | -0.91% |
| 9 |  Figure Heloc FIGR_HELOC | $19.75B | +0.41% |
| 10 |  Hyperliquid HYPE | $13.83B | -8.05% |
What Is Crypto Market Cap?
Crypto market cap — short for cryptocurrency market capitalization — is the total dollar value of all cryptocurrencies in existence at current prices. The formula is straightforward: market cap = current price × circulating supply. The total crypto market cap sums this calculation across every tracked digital asset and is the most accurate single number for measuring the overall size of the cryptocurrency market.
Unlike individual coin prices, which can be misleading in isolation, the total crypto market cap tells you how much capital is actually deployed across the entire ecosystem. A coin priced at $0.0001 with a trillion tokens in circulation can have a larger market cap than a coin priced at $500 with only a million tokens. Market cap provides the context that price alone cannot.
The total cryptocurrency market cap changes continuously as prices move across hundreds of global exchanges, 24 hours a day, every day of the year. At the height of the 2021 bull market, total crypto market cap peaked near $3 trillion. It contracted sharply in the 2022 bear market before recovering. Watching the total market cap trend is one of the clearest ways to gauge whether the overall crypto market is in expansion or contraction.
Applied to all 17,408 tracked cryptocurrencies and summed to get the total.
Why Bitcoin Dominance Matters
Bitcoin dominance — Bitcoin's market cap as a percentage of total crypto market cap — is one of the most closely watched indicators in the industry. When Bitcoin dominance rises, capital is moving into Bitcoin and away from altcoins. When it falls, capital is rotating into smaller coins, often signalling the start of an altcoin season. Experienced traders use Bitcoin dominance to time rotations between Bitcoin and the broader altcoin market.
Bitcoin has historically commanded between 40% and 70% of the total crypto market cap, with its dominance highest during periods of uncertainty when investors seek safety in the most established digital asset.
Crypto Market Cap Tiers
How market capitalization is used to classify cryptocurrencies by size, risk, and maturity
Bitcoin and Ethereum. The deepest liquidity, widest institutional adoption, and the safest entry points in crypto. Lower volatility than smaller caps but still substantially more volatile than equities.
Established Layer 1s, major stablecoins, and leading DeFi protocols. Proven track records with significant developer ecosystems. Higher risk than mega caps but more stable than mid or small caps.
Growing projects with real utility and active communities. Higher growth potential than large caps with correspondingly higher risk. Many of today's large caps were mid caps two to three years ago.
Early-stage projects, niche protocols, and emerging ecosystems. Highest possible gains but also highest probability of failure. Requires deep due diligence and should represent only a small portfolio allocation.
Frequently Asked Questions — Crypto Market Cap
What is the total crypto market cap?
The total crypto market cap is the combined dollar value of every cryptocurrency in existence, calculated by multiplying each coin's current price by its circulating supply, then summing all values. It is the definitive measure of the cryptocurrency market's overall size and is used to track whether money is flowing into or out of digital assets as a whole.
How is crypto market cap calculated?
Crypto market cap is calculated with the formula: Market Cap = Current Price × Circulating Supply. For the total crypto market cap, this calculation is performed for every tracked cryptocurrency and all results are added together. For example, if Bitcoin trades at $100,000 with 19.7 million coins in circulation, Bitcoin alone contributes $1.97 trillion to the total crypto market cap.
Why does the total crypto market cap change so quickly?
The total crypto market cap changes continuously because cryptocurrency prices update in real time across hundreds of global exchanges 24 hours a day, 7 days a week. A 2% move in Bitcoin's price alone shifts the total market cap by tens of billions of dollars. When multiple assets move simultaneously — as they often do during major news events or macro shifts — the total market cap can change by hundreds of billions of dollars within hours.
What is Bitcoin dominance and why does it matter?
Bitcoin dominance is Bitcoin's market cap expressed as a percentage of the total crypto market cap. It is one of the most closely watched metrics in crypto. When Bitcoin dominance rises, capital is flowing into Bitcoin relative to altcoins, and altcoins tend to underperform. When dominance falls, money is rotating into altcoins — a period often called altcoin season. Traders use Bitcoin dominance to time rotations between Bitcoin and smaller cryptocurrencies.
What was the all-time high crypto market cap?
The total crypto market cap reached its all-time high of approximately $3 trillion in November 2021 during the peak of the bull market cycle. At that point, Bitcoin alone was valued at nearly $1.3 trillion and Ethereum exceeded $500 billion. The market subsequently contracted significantly during 2022, reaching a cycle low near $800 billion, before recovering in subsequent years.
What is the difference between market cap and trading volume?
Market cap measures the total value of all coins in existence at current prices — it is a snapshot of size. Trading volume measures how much of those assets actively changed hands over the past 24 hours — it is a measure of activity and liquidity. A high market cap with low volume indicates a large but thinly traded market. A rising market cap on high volume is considered a strong, confirmed move. A rising market cap on low volume is considered a weaker, less reliable signal.
Is a higher crypto market cap always better?
A higher total crypto market cap generally reflects more capital in the ecosystem and is considered a positive signal for the overall health of the market. For individual coins, a higher market cap means greater liquidity, lower risk of manipulation, and more widespread adoption. However, a high market cap does not guarantee quality or future performance. Many high-cap coins have failed over time, and the composition of the market changes significantly across cycles.
How often does this page update?
The total crypto market cap, Bitcoin dominance, Ethereum dominance, 24-hour volume, and top 10 cryptocurrency data on this page are refreshed every 5 minutes from the CoinGecko API. CoinGecko aggregates price data from hundreds of exchanges worldwide to produce accurate, volume-weighted market data.
Track Every Cryptocurrency — Live Prices & Rankings
See real-time prices, 24h changes, market cap, volume, and circulating supply for the top 100 cryptocurrencies ranked by market cap.
Open Live Crypto Price Table →