利用は概ね出来高順に検討したら良いのかな

Name Last Update Trading Pairs Total Volume Logarithmic
BTCChina 48 sec 2 38,568.83 BTC
OKCoin 12 min, 10 sec 4 15,728.91 BTC
Bitfinex 17 min, 21 sec 6 14,827.27 BTC
Bitstamp 18 min, 24 sec 1 14,139.52 BTC
BTC-e 1 min, 4 sec 23 10,585.43 BTC
BTC38 16 min, 16 sec 47 3,226.05 BTC
hitbtc 1 min, 16 sec 20 2,458.59 BTC
Bter 18 min, 48 sec 159 1,895.91 BTC
Kraken 43 sec 27 1,659.76 BTC
Cryptsy 40 sec 308 1,267.97 BTC
Bittrex 13 min, 33 sec 497 789.08 BTC
Justcoin 18 min, 31 sec 6 427.93 BTC
Poloniex 5 min, 29 sec 264 321.59 BTC
Mintpal 1 min, 14 sec 110 264.86 BTC
http://www.cryptocoincharts.info/markets/info