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. 2023 Oct 21;9(11):e21380. doi: 10.1016/j.heliyon.2023.e21380

Table 3.

Asset-wise average cumulative abnormal returns for different event windows.

Financial assets [-5,-1] [-3,-1] [0,0] [+1,+3] [+1,+5]
Shanghai Composite Index 0.3532 (0.8781) 0.6041 (1.6590) −0.5673 (−0.9673) 0.0682 (0.1963) 0.3215 (1.1276)
S&P 500 index −0.0995 (−0.5261) 0.2888** (2.8423) 0.6911 (0.9061) −0.5193*** (−4.6097) −0.5227*** (−4.7363)
WTI oil price −8.1307*** (−3.6299) −5.1237** (−2.1857) −1.5398 (−0.7990) 2.9913 (1.4117) 5.0940*** (2.9925)
LBMA gold price −0.9642 (−1.1835) −0.1916 (−0.9064) 0.6496 (0.4412) −1.7542** (−2.5876) −1.6268** (−2.6259)

Notes: This table presents the average cumulative abnormal returns for selected financial assets within different estimation windows. The parentheses are the t-values. The asterisks *, **, and *** denote significance at 10 %, 5 % and 1 % significance levels, respectively. [-5,-1], [-3,-1], [0,0], [+1,+3], [+1,+5] indicate the pre-event, event, and post-event windows of different lengths. A significant average abnormal return indicates an unstable performance of the financial asset at the outbreak of war.