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Table 7 Copulae modeling of the log return and three liquidity proxies

From: Relationships among return and liquidity of cryptocurrencies

Crypto pair

Log return

Log Amihud ratio

AR estimator

CS Estimator

Copula

Ï„

(lower, upper)

Copula

Ï„

(lower, upper)

Copula

Ï„

(lower, upper)

Copula

Ï„

(lower, upper)

BTC-ETH

A3 (180°)1

0.620

(0.699, 0)

A91

0.426

(0, 0)

A91

0.391

(0, 0)

A71

0.288

(0, 0.435)

BTC-XRP

E24

0.073

(0.009, 0.009)

E22

0.128

(0.034, 0.034)

A43

0.091

(0, 0)

A92

0.101

(0, 0)

BTC-BNB

A3 (180°)3

0.105

(0.141, 0)

A6 (180°)2

0.126

(0.132, 5.461E−5)

A44

0.076

(0, 0)

E22

0.051

(0.022, 0.022)

BTC-LTC

A3 (180°)2

0.285

(0.358, 0)

A91

0.404

(0, 0)

A92

0.197

(0, 0)

A81

0.259

(0.001, 0.430)

BTC-DOGE

A3 (180°)1

0.505

(0.591, 0)

A9 (180°)3

0.102

(0, 0)

A25

0.047

(0.001, 0)

A43

0.099

(0, 0)

ETH-XRP

A3 (180°)2

0.174

(0.228, 0)

A43

0.112

(0, 0)

E22

0.141

(0.034, 0.034)

A33

0.055

(0, 0.074)

ETH-BNB

A7 (180°)1

0.566

(0.681, 0)

A71

0.369

(0, 0.543)

A31

0.335

(0, 0.414)

A31

0.223

(0, 0.286)

ETH-LTC

A3 (180°)1

0.615

(0.694, 0)

A6 (180°)2

0.208

(0.129, 0.110)

A31

0.396

(0, 0.480)

A32

0.098

(0, 0.131)

ETH-DOGE

E22

0.181

(0.059, 0.059)

A44

0.131

(0, 0)

A92

0.137

(0, 0)

A32

0.110

(0, 0.147)

XRP-BNB

E23

0.115

(0.009, 0.009)

E24

0.104

(0.001, 0.001)

E13

0.099

(0, 0)

A34

0.066

(0, 0.090)

XRP-LTC

A3 (180°)1

0.581

(0.663, 0)

A31

0.394

(0, 0.478)

A91

0.3087

(0, 0)

A84

0.217

(3.026E−5, 0.379)

XRP-DOGE

A9 (180°)5

0.171

(0, 0)

A42

0.172

(0, 0)

A44

0.123

(0, 0)

E25

0.081

(0.019, 0.019)

BNB-LTC

A9 (180°)2

0.220

(0, 0)

A93

0.125

(0, 0)

E22

0.147

(0.027, 0.027)

A2 (180°)3

0.063

(0, 0.006)

BNB-DOGE

E24

0.043

(0.003, 0.003)

A9 (180°)5

0.099

(0, 0)

A91

0.263

(0, 0)

A91

0.168

(0, 0)

LTC-DOGE

A3 (180°)3

0.144

(0.190, 0)

A91

0.338

(0, 0)

A43

0.122

(0, 0)

A84

0.082

(0.003, 0.063)

  1. For each crypto pair, the fitted bivariate copulae, the Kendall’s τ, and the tail dependence (TD) are shown. Symbols representing different bivariate copulae are listed in Table 2. The superscripts on these symbols represent the tree level in the R-vine structures in Fig. 2