Click here to download the latest performance update of the EDHEC-Risk Alternative Indexes. In August, as in July, the stock market experienced a month of strong performance. The S&P 500 registered a 7.19% profit, not only erasing all its losses since the beginning of the year, but also registering a 9.74% profit over this period. Market implied volatility increased to 26.46%, a value higher than its long-term average (around 20%), but below its year-to-date average level (around 32%).