Research Article

Measuring and Forecasting Volatility in Chinese Stock Market Using HAR-CJ-M Model

Table 2

Results of parameter estimation for HAR-CJ-M model.

(1 day) (1 week) (1 month)
CoefficientStd. error CoefficientStd. error CoefficientStd. error

−0.2543***0.0556−0.1941***0.0751−0.08180.1006
0.1749***0.04080.1458***0.03250.0861***0.0293
0.3592***0.06270.2585***0.07120.09310.0735
0.1773***0.05430.2125***0.07640.2995***0.0852
0.0649*0.03850.01250.02680.00980.0182
−0.01600.04180.01220.05040.07410.0459
0.06760.05340.07040.0750−0.00650.0814
0.0812*0.04480.02910.04430.05570.0399
0.3335***0.04720.1836***0.04670.0820*0.0447
0.0878***0.03060.1053***0.03920.1512***0.0512
0.0512*0.03120.0774*0.03980.1350***0.0447
0.1128***0.02480.2023***0.03550.2062***0.0473
0.1108***0.02270.1868***0.03440.2070***0.0455

Adj- 0.62240.68070.6270