1 BTC = 4335.49 USD (average from all sources)
1 BTC = 4392.58 USD (source: https://coinbase.com)
1 BTC = 4220.0 USD (source: https://poloniex.com)
1 BTC = 4395.0 USD (source: https://kraken.com)
1 BTC = 4334.38 USD (source: https://www.bitstamp.net)