DXY, EUR/USD, USD/JPY, GBP/USD, AUD/USD, USD/CAD
SPDR S&P 500, ISHARES MSCI EMERGING INDEX FUND, AK STEEL HOLDING CORP, GENERAL ELECTRIC COMPANY, BANK OF AMERICA CORP, POWERSHARES QQQ TRUST, SERIES 1
S&P 500, Nasdaq Composite, Dow 30, Nikkei 225, DAX, FTSE 100
Gold, Silver, Crude Oil, Natural Gas, Corn, Bitcoin
BTC/USD, ETH/USD, BCH/USD, XRP/USD, LTC/USD, ETC/USD
US 10Y, Euro Bund, Germany 10Y, Japan 10Y, UK 10Y, India 10Y
Gold, Brent Oil, Crude Oil, CFDs on Natural Gas, Palladium, Silver
A fast comparison over the different exchanges Bitstamp, BTC-e, MtGox.
Just a chart to see the arbitrage bots working. A dip in these spreads means volatility is going to increase given the facts that bots don't have illimited funds so "real people" take hand and a generally crazier.