Research Article

Asymmetry in the Prediction of Cojumps on Volatility and Its Reversal

Table 6

Estimation results of HAR-RV-JV-D model considering market boundaries.


Bull market
MJDS0.3331 (3.4066)0.5426 (5.1643)−0.9790 (−1.9388)5.2725 (2.9206)0.7809 (4.2862)77.70
MJDF0.2250 (2.0879)0.6524 (5.6169)−0.4012 (−0.5368)0.0880 (0.2344)0.7562 (2.1457)65.63

Bear market
MJDS0.1768 (1.7099)0.5224 (5.0602)1.5572 (1.9155)0.0170 (0.0493)0.8007 (6.0153)54.86
MJDF0.2576 (2.2550)0.5820 (4.9564)0.2577 (0.4790)−0.2465 (−1.8243)0.4723 (3.6473)62.80

Note: MJDS and MJDF represent HAR-RV-JCOV-D models for the CSI 300 stock index and futures index, respectively, and , , and represent significance at the 1%, 5%, and 10% levels, respectively.