RESEARCH ON MEASURE OF PORTFOLIO INVESTMENT RISK

摘要

The complexity and indetermination of financial risk elements make riskcontrol more difficult and in real situations we can just use warning and prevention measuresto deal with these risks. The measure of risk is an important instrument to disclose it.Securities investment also confronts many stochastic factors that can not be controlled.Through comparing the different approaches to measure portfolio investment risk, this paperpresents the semi-beta model measuring systematic risks based on the semi-variance andempirical study of this model is given with Chinese listed companies. Finally, we explore thenew measure methods of portfolio investment risk.