Stock Price Prediction Using Machine Learning and LSTM-Based Deep Learning Models

• URL: http://arxiv.org/abs/2009.10819v1
• Date: Sun, 20 Sep 2020 20:32:33 GMT
• Title: Stock Price Prediction Using Machine Learning and LSTM-Based Deep Learning Models
• Authors: Sidra Mehtab, Jaydip Sen, Abhishek Dutta
• Abstract summary: We propose an approach of hybrid modeling for stock price prediction building different machine learning and deep learning-based models. We have used NIFTY 50 index values of the National Stock Exchange (NSE) of India during the period December 29, 2014 till July 31, 2020. We exploit the power of LSTM regression models in forecasting the future NIFTY 50 open values using four different models that differ in their architecture and in the structure of their input data.
• Score: 1.335161061703997
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Prediction of stock prices has been an important area of research for a long time. While supporters of the efficient market hypothesis believe that it is impossible to predict stock prices accurately, there are formal propositions demonstrating that accurate modeling and designing of appropriate variables may lead to models using which stock prices and stock price movement patterns can be very accurately predicted. In this work, we propose an approach of hybrid modeling for stock price prediction building different machine learning and deep learning-based models. For the purpose of our study, we have used NIFTY 50 index values of the National Stock Exchange (NSE) of India, during the period December 29, 2014 till July 31, 2020. We have built eight regression models using the training data that consisted of NIFTY 50 index records during December 29, 2014 till December 28, 2018. Using these regression models, we predicted the open values of NIFTY 50 for the period December 31, 2018 till July 31, 2020. We, then, augment the predictive power of our forecasting framework by building four deep learning-based regression models using long-and short-term memory (LSTM) networks with a novel approach of walk-forward validation. We exploit the power of LSTM regression models in forecasting the future NIFTY 50 open values using four different models that differ in their architecture and in the structure of their input data. Extensive results are presented on various metrics for the all the regression models. The results clearly indicate that the LSTM-based univariate model that uses one-week prior data as input for predicting the next week open value of the NIFTY 50 time series is the most accurate model.

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