Showing 1 - 10 of 355
This paper studies the effect of COVID-19 on the volatility of Australian stock returns and the effect of negative and … positive news (shocks) by investigating the asymmetric nature of the shocks and leverage impact on volatility. We employ a … than the GARCH model in estimating the volatility of the Australian stock returns. However, another interesting finding is …
Persistent link: https://www.econbiz.de/10012622818
trading around quarterly earnings announcements is either directionally motivated and/or volatility motivated. We found … volatility-motivated option trading, and our results suggest that this type of option trading could be motivated by hedging …
Persistent link: https://www.econbiz.de/10012818141
research on this hypothesis to open-market share repurchases. Empirical tests showed that the implied volatility spread was not … implied volatility spread and subsequent stock return volatility around open-market share repurchase events. We concluded that … option traders have private information on the volatility of stock returns and superior information processing ability that …
Persistent link: https://www.econbiz.de/10012171287
This paper uses two highly liquid S&P 500 and gold exchange-traded funds (ETFs) to evaluate the impact of liquidity and macroeconomic news surprises on the frequency of observing intraday jumps. It explicitly addresses market microstructure noise-induced biases in realized estimators used in...
Persistent link: https://www.econbiz.de/10012305143
economics and financial markets, the effects of combining multiple news shocks on the volatility of tourism demand have not yet …), conditional heteroscedastic volatility models, and multiple news shocks are suitable for forecasting the volatility of the … Malaysian tourist industry. Among them, three primarily volatility models (GARCH, EGARCH, and GJRGARCH) are used in conjunction …
Persistent link: https://www.econbiz.de/10013369139
The popular replication formula to price variance swaps assumes continuity of traded option strikes. In practice, however, there is only a discrete set of option strikes traded on the market. We present here different discrete replication strategies and explain why the continuous replication...
Persistent link: https://www.econbiz.de/10011855148
The paper uses a Walrasian two-period financial market model with informed and uninformed constant absolute risk averse (CARA) rational investors and noise traders. The investors allocate their initial wealth between risky assets and risk-free fiat money. The analysis concentrates on the effects...
Persistent link: https://www.econbiz.de/10012403996
use of computational methods and techniques for modelling financial asset prices, returns, and volatility, and on the use …
Persistent link: https://www.econbiz.de/10012309311
volatility, investors seek a safe haven. Ripple, on the other hand, shows low risk compared to Bitcoin. The results further … correlated to other cryptocurrencies. The implications of this research showing the volatility of gold- and fiat …
Persistent link: https://www.econbiz.de/10014305920
protected notes (EL-PAM-PPNs) and the mean return and volatility of the underlying portfolio using 1568 EL-PAM-PPNs issued in … holding cost; (ii) the underlying portfolio’s volatility increases the note return and decreases the note holding cost; (iii … lower expected volatility. UK investors should avoid callable notes and choose notes with a longer time to maturity, where …
Persistent link: https://www.econbiz.de/10013471220