As I said already, in my previous article that the value of a bitcoin depends entirely on what value markets perceive it to have against other currencies.
Google exchange rate
The price of bitcoin is increasing day by day in the market and its hash rate also increasing.
Top 10 Bitcoin exchanges sites with Screenshot rates
Other sites also offer you to exchange bitcoin to USD and other’s currencies
I can share some with you
Coindesk is offer to exchange bitcoin in USD In lower exchange rate
coindesk is high and top level bitcoin site with exchange rate
More info you can visit: coindesk page
Bitpay is 2nd biggest site in my list which offer affordable exchange rate More info you can visit: Bitpay