1 BTC = 6331.725 USD (average from all sources)
1 BTC = 6382.25 USD (source: https://coinbase.com)
1 BTC = 6322.1 USD (source: https://poloniex.com)
1 BTC = 6307.65 USD (source: https://www.bitstamp.net)
1 BTC = 6314.9 USD (source: https://kraken.com)