foreign exchange markets. -- Random Lognormal cascades ; GMM estimation ; best linear forecasting ; volatility of financial … Generalized Method of Moments (GMM) estimation procedure to cope with the documented difficulties of previous methodologies. We … by estimating the intermittency parameter and forecasting of volatility for a sample of financial data from stock and …

economic aspects of the world. This study investigated the Islamic stock market's reaction and changes in volatility before and … nine different markets around the globe. To examine changes in volatility and persistence of risk, the generalized … hand, the volatility of Islamic stock indices was substantially amplified after the global health crisis was declared by …