The objective of this study was to analyze and model periodic behavior observed in India's Nifty VIX Index and to seek the origins of these previously unreported calendar variations. Implied volatility and its variations are important to understand as the pricing of many financial assets and...

The contemporaneous call options volume have a significant strong positive feedback effect on the implied volatility, but the contemporaneous feedback effect of volume on the TARCH volatility is insignificant. The contemporaneous feedback effects from the implied volatility and the TARCH...

This paper proposes a convenient approach to measure the time-varying volatility connectedness indexes by developing the connectedness measures within a multivariate Heterogeneous Autoregressive model with measurement errors (VHAR-Q). We utilize this framework to examine the dynamic volatility...

This paper proposes a multivariate fuzzy logic approach to boosting the profitability of technical analysis for currency trading. The approach incorporates information on underlying market volatility in addition to order-flow-based exchange-rate return forecasts. We show the superiority of our...