This paper provides some comprehensive evidence on the effects of cyber-attacks on the returns, realized volatility and …

This paper uncovers the dynamics of the asymmetric volatility spillovers across three majorcryptocurrencies (Bitcoin … 2018 to 5th June 2021, the main findings are summarized as follows:Firstly, negative (bad) volatility spillovers are more … pronounced than positive (good)spillovers, revealing the presence of asymmetric volatility effects in the cryptocurrency market …

-MGARCH model to examine the return and volatility spillovers across three distinct classes of cryptocurrencies: coins, tokens, and …-off of March 2020, and that both ARCH and GARCH effects play an important role in determining conditional volatility among … running in the other direction. Our results suggest that USDT does not currently play an important role in volatility …

By computing a volatility index (CVX) from cryptocurrency option prices, we analyze the market's expectation of future … volatility. Our method addresses the challenging liquidity environment of this young asset class and allows us to extract stable … volatility benchmarks for traditional asset classes, such as VIX (equity) or GVX (gold), confirms that cryptocurrency volatility …

In this study, we investigate the dynamic volatility connectedness of FinTech, innovative technology communication, and … after the COVID-19 period to understand the volatility fluctuations by employing the dynamic connectedness measures based on … TVP-VAR methodology. We find that volatility connectedness is strong among the FinTech, and cryptocurrency indices and it …