CoinDesk Bitcoin Price Index

Info on how this value was calculated
Based on the following values:
USD:
BTC-e$503.00
Bitstamp$515.15
Bitfinex$516.02
CNY:
BTC China¥3,212.51
OKCoin¥3,212.40
Last updated: Apr 20, 2014 at 04:11 BST