Bitcoin's share of the total crypto market cap since 2013. High dominance means capital is concentrated in Bitcoin; falling dominance signals speculation rotating into altcoins.
BTC Dominance Today
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Bitcoin's share of the total cryptocurrency market capitalization, live from CoinGecko.
◆ Bitcoin Market-Cap Dominance (%)
Monthly historical dominance (2013 onward, approximate) joined with the live share from CoinGecko. Dominance counts Bitcoin's market cap against all tracked cryptocurrencies — methodologies differ slightly between data providers.