Enterprise Annuity Investment Risk Measurement Based On GARCH Model

This article based on the angle of enterprises, the main analysis is investment risk in enterprise annuity. Firstly identify investment risk of enterprise annuity and how to more reasonably choose investment combination among stock, bond, fund in, so as to achieve a balanced benefits and risks. Empirical analysis for huaibei mining enterprise annuity system, analyzes its investment risk in enterprise annuity operation. Investment risk measurement through establishing proper GARCH model, using mean-variance model for enterprise annuity in securities in the secondary market how to conduct investment combination measurement, under the certain risks in enterprises, how to choose the portfolio and each asset investment proportion in a portfolio. According to the established GARCH model of various securities yields obtained expectations and conditional variances value, and calculates the enterprise annuity in stock, fund, bond between different weights of combination under different benefits and risks. Aaccording to huaibei mining enterprise annuity policy investment ratio requirement and the enterprise's own risk bear ability to select the suitable investment combination, , do prevent the investment risk.