CoinDesk Bitcoin Price Index

Info on how this value was calculated
Based on the following values:
USD:
BTC-e$496.00
Bitstamp$504.65
Bitfinex$505.75
CNY:
BTC China¥3,173.14
OKCoin¥3,176.92
Last updated: Apr 19, 2014 at 23:06 BST