The live K21 price today is ¥3.42 JPY with a 24-hour trading volume of ¥1,495,811 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 2.83% in the last 24 hours. The current CoinMarketCap ranking is #2341, with a live market cap of ¥62,912,859 JPY. コインの循環供給量は18,385,349 K21 and a max. supply of 21,000,000 K21 coins.