CoinDesk Bitcoin Price Index

Info on how this value was calculated
Based on the following values:
USD:
BTC-e$474.00
Bitstamp$487.49
Bitfinex$487.93
CNY:
BTC China¥3,081.95
OKCoin¥3,078.66
Last updated: Apr 23, 2014 at 15:21 BST