CoinDesk Bitcoin Price Index

Info on how this value was calculated
Based on the following values:
USD:
BTC-e$478.00
Bitstamp$485.00
Bitfinex$486.64
CNY:
BTC China¥3,064.96
OKCoin¥3,061.67
Last updated: Apr 24, 2014 at 06:49 BST