CoinDesk Bitcoin Price Index

Info on how this value was calculated
Based on the following values:
USD:
BTC-e$492.00
Bitstamp$502.80
Bitfinex$499.66
CNY:
BTC China¥3,153.56
OKCoin¥3,159.88
Last updated: Apr 21, 2014 at 10:46 BST