CoinDesk Bitcoin Price Index

Info on how this value was calculated
Based on the following values:
USD:
BTC-e$502.00
Bitstamp$510.61
Bitfinex$511.50
CNY:
BTC China¥3,184.56
OKCoin¥3,180.98
Last updated: Apr 16, 2014 at 19:57 BST