Before revision:  We show that this relative performance has three components: a term that can be interpreted as energy coming from the market fluctuations , a relative entropy term that measures "distance " between the portfolio holdings and the market capital distribution, and another entropy term that can be controlled by the trader by choosing a suitable strategy.
After revision:  We show that this relative performance has three components: a term that can be interpreted as energy coming from the market fluctuations , a relative entropy term measuring the distance between the portfolio holdings and the market capital distribution, and another entropy term that can be controlled by the trader by choosing a suitable strategy.