CoinDesk Bitcoin Price Index

Info on how this value was calculated
Based on the following values:
USD:
BTC-e$479.00
Bitstamp$491.89
Bitfinex$492.11
CNY:
BTC China¥3,095.58
OKCoin¥3,085.42
Last updated: Apr 24, 2014 at 01:38 BST