Quantitative trading relies on statistical techniques to identify trading opportunities in the markets. Quantitative trading can be applied to quantifiable information, for example such as price data of securities and macroeconomic events. Quantitative techniques can vary a lot from one another. Statistical arbitrage is a popular technique that identifies and trades upon statistical relationships between a pair of securities and a statistical mispricing of one or more assets based on the expected value of these assets. Other quantitative trading techniques can be based for example on the identification of lead-lag patterns in prices, pattern recognition and trading on micro-and macro-economic fundamental figures.