This is a well-known fact that the stock prices are virtually unpredictable. However, stock volatilities can more or less be forecasted! In 2012 Vasily Nekrasov scrutinized about 3000 asset price time series, obtained from yahoo.finance. Approximately in half of cases the volatility was piecewise-stationary and thus predicatable. We put online the technical record from 2012 and start publishing the visualized results Continue reading "Volatility Clustering and Piecewise Homoscedasticity – Part I – Indices"