CoinDesk Bitcoin Price Index

Info on how this value was calculated
Based on the following values:
USD:
BTC-e$478.00
Bitstamp$488.66
Bitfinex$490.22
CNY:
BTC China¥3,088.39
OKCoin¥3,084.60
Last updated: Apr 23, 2014 at 13:00 BST