Time–frequency co-movement and risk connectedness among cryptocurrencies: new evidence from the higher-order moments before and during the COVID-19 …

J Cui, A Maghyereh - Financial Innovation, 2022 - Springer
Analyzing comovements and connectedness is critical for providing significant implications
for crypto-portfolio risk management. However, most existing research focuses on the lower …

Which factors drive Bitcoin volatility: Macroeconomic, technical, or both?

J Wang, F Ma, E Bouri, Y Guo - Journal of Forecasting, 2023 - Wiley Online Library
Academic research relies heavily on exogenous drivers to improve the forecasting accuracy
of Bitcoin volatility. The present study provides additional insight into the role of both …

Cryptocurrency volatility: A review, synthesis, and research agenda

MS Ahmed, AA El-Masry, AI Al-Maghyereh… - Research in International …, 2024 - Elsevier
This paper takes part in the ongoing debate on the newly emerging field of financial
technology by systematically reviewing 164 articles on cryptocurrency volatility during the …

[HTML][HTML] A K-means clustering model for analyzing the Bitcoin extreme value returns

D Das, P Kayal, M Maiti - Decision Analytics Journal, 2023 - Elsevier
Bitcoin prices are highly volatile and have extreme upper tails of the return distributions. One
important component of Bitcoin price jumps is that it does not follow a normal distribution …

Realized higher-order moments spillovers across cryptocurrencies

N Apergis - Journal of International Financial Markets, Institutions …, 2023 - Elsevier
Using 1-min data of nine cryptocurrency prices, spanning the period 2017 to 2021, the
analysis extends Hasan et al., 2021, Ahmed and Al Mafrachi, 2021 papers that explore the …

Determinants of central bank digital currency adoption–a study of 85 countries

Z Dong, M Umar, UB Yousaf… - Journal of Economic …, 2024 - Taylor & Francis
This study attempts to explore the macroeconomic development factors that determine
countries' decisions to implement CBDCs. The study uses data regarding CBDC adoption …

[HTML][HTML] Machine learning approaches to forecasting cryptocurrency volatility: Considering internal and external determinants

Y Wang, G Andreeva, B Martin-Barragan - International Review of Financial …, 2023 - Elsevier
Given the volatile nature of cryptocurrencies, accurately forecasting cryptocurrency volatility
and understanding its determinants are crucial. This paper applies machine learning (ML) …

Forecasting Value-at-Risk of cryptocurrencies using the time-varying mixture-accelerating generalized autoregressive score model

K Jiang, L Zeng, J Song, Y Liu - Research in International Business and …, 2022 - Elsevier
We introduce the accelerating generalized autoregressive score (aGAS) technique into the
Gaussian-Cauchy mixture model and propose a novel time-varying mixture (TVM)-aGAS …

Examining the fractal market hypothesis considering daily and high frequency for cryptocurrency assets

W Kristjanpoller, LHS Fernandes, BM Tabak - Fractals, 2022 - World Scientific
Cryptocurrencies play a pivotal role in the financial market. Given this, we perform the
asymmetric multifractal cross-correlation analysis to examine the weak form of the Efficient …

Time-varying spillovers in high-order moments among cryptocurrencies

A Azimli - Financial Innovation, 2024 - Springer
This study uses high-frequency (1-min) price data to examine the connectedness among the
leading cryptocurrencies (ie Bitcoin, Ethereum, Binance, Cardano, Litecoin, and Ripple) at …