Date

Event window

T_test

Wilcoxon signed-ranks test

CAARs

t value

CAARs

t value

2021.04.22

[−4; 4]

−0.0269***

−2.8680

−0.0269***

−4.7417

[−3; 3]

−0.0339***

−4.1131

−0.0339***

−6.7148

[−2; 2]

−0.0138*

−1.9748

−0.0138***

−3.3768

[−1;1]

−0.0128**

−2.3660

−0.0128***

−3.4130

2021.09.02

[−4; 4]

0.1276***

13.1489

0.1276***

9.7665

[−3; 3]

0.1103***

12.8913

0.1103***

9.6638

[−2; 2]

0.0845***

11.7892

0.0845***

8.6084

[−1; 1]

0.0380***

6.8978

0.0380***

4.7275

2022.03.28

[−4; 4]

−0.0004

−0.0433

−0.0004

−0.6514

[−3; 3]

−0.0084

−1.0814

−0.0084*

−1.9249

[−2; 2]

−0.0022

−0.3349

−0.0022

−0.2268

[−1; 1]

0.0020

0.3866

0.0020

1.0993