Volatility spillover effect between cryptocurrency and stock market using MGARCH BEKK model
DOI:
https://doi.org/10.47264/idea.nasij/5.2.3Keywords:
Cryptocurrency, Pakistan Stock Exchange, Stock market, Volatility spillover, ADF Test, DCC GARCH Model, MGARCH, BEKK model, PSXAbstract
This paper explores the volatility spillover effects between the cryptocurrency market and the Pakistan Stock Exchange (PSX). Utilising data from January 1, 2019, to April 5, 2024, sourced from Investing and Yahoo Finance, the study employs the Multivariate Generalized Autoregressive Conditional Heteroskedasticity (MGARCH) BEKK model to assess the dynamic interactions between these markets. Stationarity tests confirmed the non-stationarity of time series data at their levels, which became stationary after first differencing, ensuring robust econometric analysis. The results indicate significant volatility spillovers from major cryptocurrencies, such as Bitcoin and Ethereum, to the PSX, highlighting a solid interconnectedness between these markets. This suggests that digital asset volatility significantly influences traditional financial systems. The study concludes that integrating cryptocurrencies into global financial markets introduces risks and opportunities for investors and policymakers. The findings underscore the need for market participants to account for these volatility interactions in their risk management strategies. Additionally, policymakers must consider these interlinkages to maintain financial stability. This research contributes to the literature on financial market volatility by emphasising the importance of understanding the impact of emerging digital currencies on traditional stock markets.
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Copyright (c) 2024 Iqra Hussain, Nazakat Ali, Hafiz Bilal Ahmad, Suhail Ashraf
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