The main objective of this research is to analyze whether the momentum effect (Jegadeesh, 1990) and the long-term reverse effect (DeBondt and Thaler, 1985) are observed at the Mexican Stock Exchange, their magnitude, and their significance. These anomalies challenge the efficient market...

In this research paper ARCH-type models and option implied volatilities (IV) are applied in order to estimate the Value-at-Risk (VaR) of a stock index futures portfolio for several time horizons. The relevance of the asymmetries in the estimated volatility estimation is considered. The empirical...