Sun, Lingyu; Li, Dong - In: Journal of management science and engineering 6 (2021) 3, pp. 324-335
Expected shortfall (ES) is a popular risk measure and plays an important role in risk and portfolio management. Recently, change-point detection of risk measures has been attracting much attention in finance. Based on the self-normalized CUSUM statistic in Fan, Glynn and Pelger (2018) and the...