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In recent years, support vector regression (SVR), a novel neural network (NN) technique, has been successfully used for financial forecasting. This paper deals with the application of SVR in volatility forecasting. Based on a recurrent SVR, a GARCH method is proposed and is compared with a...
Persistent link: https://www.econbiz.de/10012966267
In asset pricing, most studies focus on finding new factors such as macroeconomic factors or firm characteristics to explain risk premium. Investigating whether these factors are useful in forecasting stock returns remains active research in the field of finance and computer science. This paper...
Persistent link: https://www.econbiz.de/10014235825
We develop a new variational Bayes estimation method for large-dimensional sparse vector autoregressive models with …
Persistent link: https://www.econbiz.de/10013239660
We examine whether real-time return forecasts are valuable to an investor looking to allocate their portfolio across a wide selection of countries. We expand the Sum-of-Parts (SoP) method for forecasting stock returns to an international setup by adding FX returns as an additional component. We...
Persistent link: https://www.econbiz.de/10013403620
We study dynamic portfolio choice of a long-horizon investor who uses deep learning methods to predict equity returns when forming optimal portfolios. Our results show statistically and economically significant benefits from using deep learning to form optimal portfolios through certainty...
Persistent link: https://www.econbiz.de/10013225327
Persistent link: https://www.econbiz.de/10014251571
Overconfidence behavior, one form of positive illusion, has drawn considerable attention throughout history because it is viewed as the main reason for many crises. Investors' overconfidence, which can be observed as overtrading following positive returns, may lead to inefficiencies in stock...
Persistent link: https://www.econbiz.de/10014288970
We examine in this paper the training and test set performance of several equity factor models with a dataset of 20 years of data, 1,200 stocks and 100 factors. First, we examine several models to forecast expected returns, which can be used as baselines for more complex models: linear...
Persistent link: https://www.econbiz.de/10014255242
Several academics have studied the ability of hybrid models mixing univariate Generalized Autoregressive Conditional Heteroskedasticity (GARCH) models and neural networks to deliver better volatility predictions than purely econometric models. Despite presenting very promising results, the...
Persistent link: https://www.econbiz.de/10013211314
strategies. Unfortunately, due to the curse of dimensionality, their accurate estimation and forecast in large portfolios is …
Persistent link: https://www.econbiz.de/10013242339