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

Table 9.

The result of the EGARCH(1,1)-M model with expected and unexpected volume for subsamples.

Volume: Market trading volume
Volume: Day trading volume
Period 1 Period 2 Period 1 Period 2
β0 −0.0219 0.2353*** 0.0171 0.3563***
βR1 −0.0215 0.0292 0.0271 0.0513
βR2 −0.0849** −0.0061 −0.0410 0.0391
βh −0.0123 0.1606** 0.0545 0.2945***
c0 −0.1022** −0.4891*** −0.0463 −0.3394***
a 0.0675* 0.1804*** 0.0396 0.1366***
b 0.9728*** 0.7904*** 0.9762*** 0.8348***
d −0.1248** −0.1989*** −0.0957*** −0.1383***
ωe 0.0165 0.0182 0.0061 −0.0015
ωu0 0.0437*** 0.0327*** 0.0145*** 0.0202***
ωu1 −0.0047 −0.0033 0.0025 0.0036
ωn 0.0041 0.0131** 0.0003 0.0077***
Log-likelihood function
−547.9371
−409.8850
−596.0431
−434.7968
Model diagnosis
Ljung-Box Q(10) 8.2031 7.5230 5.9229 7.7407
McLeod-Li(10) 13.5879 9.8453 7.3447 8.2188

Note: Same Note is shown in Table 4.