Table 1 Descriptive statistics of logarithmic returns (multiplied by 100) of time series used in the study

0.045

0.002

0.012

0.017

0.030

0.023

0.237

− 0.012

− 0.001

− 0.007

1.170

1.101

1.148

1.331

1.322

0.928

4.871

0.519

0.650

0.550

− 1.168

− 0.893

− 1.208

− 0.774

− 0.095

− 0.207

− 0.328

0.021

10.473

0.302

22.808

15.422

15.447

13.043

7.734

7.157

10.045

5.440

277.846

8.708

− 12.765

− 11.512

− 12.191

− 13.055

− 8.253

− 6.254

− 34.236

− 2.413

− 2.475

− 3.161

− 0.342

− 0.476

− 0.462

− 0.550

− 0.588

− 0.452

− 1.618

− 0.307

− 0.300

− 0.304

0.069

0.052

0.083

0.087

0.065

0.033

0.196

− 0.009

− 0.014

− 0.011

0.550

0.551

0.579

0.677

0.696

0.500

2.165

0.288

0.284

0.251

8.968

8.667

8.070

10.414

7.731

5.477

34.605

3.029

17.141

3.771