List of top USD Stablecoin coins by market cap. The current USD Stablecoin coin market cap is $361.18B , which has changed by -0.41% in the past 24 hours; the USD Stablecoin coin trading volume is $74.21B, which has changed by +0.14% in the past 24 hours. There are 65 cryptocurrencies in the USD Stablecoin coin list today.