The live K21 price today is ¥3.41 JPY with a 24-hour trading volume of ¥50,771.28 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 1.09% in the last 24 hours. The current CoinMarketCap ranking is #2375, with a live market cap of ¥62,690,726 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.