In this study the martingale hypothesis concerning the stock index futures market is analyzed. The purpose is to understand how this notion concerning the behavior of the index futures affects the forecasting process. In addition, the forecasting of both daily and weekly stock index futures is...

This study evaluates the forecasting performance of different predictive measures for the future exchange rate variability. Results seem to indicate that the out‐of‐the‐money ISD outperforms the at‐the‐money ISD and other predictive measures. Thus, when ISD is used to forecast future...