2.3. Conditional Value-at-Risk 714 Aida Toma and Silvia Dedu / Procedia Economics and Finance 8 ( 2014 ) 712 – 719 The lack of some important properties of Value-at-Risk, like subaditivity, led to the development of some new risk measures. The Conditional Value-at-Risk measure corresponding to the random variable X and to the probability level D(0,1) is defined by: