Research Article

Asymmetry in the Prediction of Cojumps on Volatility and Its Reversal

Table 14

The estimation of the HAR-RV-JCOV-D model in the second stage.


MJCMA0.5057 (7.5926)0.3937 (6.0369)−1.1981 (−2.2252)0.0519 (0.1706)0.3595 (1.9676)73.3373.18
MJCEL0.5333 (7.4606)0.4023 (5.9174)−1.8263 (−3.2644)−0.2011 (−0.7554)0.2102 (1.2288)78.2178.18
MJCFI0.3626 (5.0397)0.5134 (6.7341)0.1961 (0.4974)0.3706 (1.8131)0.6676 (5.2742)72.4071.73
MJCEN0.5272 (7.1110)0.3677 (4.8569)−0.5863 (−1.1236)0.8939 (1.9110)0.4872 (3.3704)74.6874.15
MJCCO0.4121 (5.3987)0.5012 (6.5264)−0.7491 (−1.4306)−0.1370 (−0.7383)0.3288 (1.4910)74.4574.37
MJCME0.3914 (5.9873)0.5147 (6.9847)−0.5592 (−1.9154)0.4475 (0.9214)0.5704 (3.4669)75.4375.09

Note: MJDMA, MJDEL, MJDFI, MJDEN, MJDCO, and MJDME represent the HAR-RV-JCOV-D models for the SSE material, telecommunication, financial, energy, consumption, and medicine and other industry indices, respectively; represents the adjusted goodness of fit of the HAR-RV-JCOV models; , , and represent significance at the 1%, 5%, and 10% levels.