The live K21 price today is ¥4.90 JPY with a 24-hour trading volume of ¥13,991,696 JPY. 弊社ではK21/JPY価格をリアルタイムで更新しています。 K21 is down 1.91% in the last 24 hours. The current CoinMarketCap ranking is #2155, with a live market cap of ¥90,201,567 JPY. コインの循環供給量は18,391,635 K21 and a max. supply of 21,000,000 K21 coins.