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. 2023 Mar 27;9(4):e14939. doi: 10.1016/j.heliyon.2023.e14939

Table 5.

The result of the EGARCH(1,1)-M model with the interaction in terms of VIX.

Volume: Market trading volume
Volume: Day trading volume
coefficient std. error coefficient std. error
β0 0.0335 0.0398 0.1209** 0.0474
βR1 0.0084 0.0313 0.0310 0.0315
βR2 −0.0526* 0.0289 −0.0012 0.0327
βh 0.0207 0.0274 0.1275*** 0.0481
c0 −0.1231** 0.0501 −0.0713*** 0.0181
a 0.1042** 0.0461 0.0594*** 0.0194
b 0.9502*** 0.0213 0.9702*** 0.0099
d −0.1600*** 0.0237 −0.1092*** 0.0173
ω 0.0317*** 0.0028 0.0100*** 0.0019
ωH 0.0009 0.0047 0.0004 0.0030
ωL −0.0062 0.0063 0.0034 0.0033
Log-likelihood function
−984.2159
−1049.6197
Model diagnosis
Ljung-Box Q(10) 8.8955 8.4679
McLeod-Li(10) 8.3687 7.7121

Note: The results using market trading volume and day trading volume are shown in Column (1) and Column (2).