“…Barone‐Adesi () derives both the VaR and CVaR from option market data and Barone‐Adesi, Legnazzi, and Sala () present substantial empirical evidence that the proposed technique works well for the S&P 500 for the period 2005–2015. Assuming a portfolio with limited liability, from Equation and by the relation between the VaR and the first derivative of the put price over the strike price, it follows that Hence the option‐implied is the difference between today's price of the underlying, S t , and the strike price, K , of a European put option at level α : …”