CoinDesk Bitcoin Price Index

Info on how this value was calculated
Based on the following values:
USD:
BTC-e$519.00
Bitstamp$519.24
Bitfinex$520.04
CNY:
BTC China¥3,240.81
OKCoin¥3,237.52
Last updated: Apr 17, 2014 at 08:23 BST