CoinDesk Bitcoin Price Index

Info on how this value was calculated
Based on the following values:
USD:
BTC-e$466.00
Bitstamp$484.26
Bitfinex$483.00
CNY:
BTC China¥2,973.02
OKCoin¥2,975.50
Last updated: Apr 18, 2014 at 19:38 BST