The index selects stocks that provide exposure to four well academically documented and widely accepted factors: Low volatility, Value, Momentum and Size. The index uses a proprietary weighting strategy to provide well diversified exposure, by combining 5 models: Maximum Deconcentration, Maximum Decorrelation, Efficient Minimum Volatility, Efficient Maximum Sharpe Ratio, and Diversified Risk Weighted. The index universe is composed of the 700 largest and most liquid stocks listed in the following countries: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Ireland, Italy, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom.