Date

Event window

T_test

Wilcoxon signed-ranks test

CAARs

t value

CAARs

t value

2021.04.22

[−4; 4]

−0.0248***

−2.9177

−0.0248***

−4.5759

[−3; 3]

−0.0324***

−4.3218

−0.0324***

−6.5540

[−2; 2]

−0.0128**

−2.0175

−0.0128***

−3.1611

[−1; 1]

−0.0120**

−2.4517

−0.0120***

−3.2724

2021.09.02

[−4; 4]

0.1165***

11.7628

0.1165***

8.8406

[−3; 3]

0.0992***

11.3344

0.0992***

8.7759

[−2;2]

0.0767***

10.3748

0.0767***

7.9297

[−1; 1]

0.0340***

5.9491

0.0340***

4.3099

2022.03.28

[−4; 4]

−0.0023

−0.2223

−0.0023

−0.9903

[−3; 3]

−0.0092

−1.0007

−0.0092**

−1.9734

[−2; 2]

−0.0030

−0.3916

−0.0030

−0.2169

[−1; 1]

0.0019

0.3208

0.0019

1.2399