Improving financial trading decisions using deep Q-learning: Predicting the number of shares, action strategies, and transfer learning

Gyeeun Jeong, Ha Young Kim

Abstract: Highlights•A financial trading system is proposed to improve traders’ profits.•The system uses the number of shares, action strategies, and transfer learning.•The number of shares is determined by using a DNN regressor.•When confusion exists, postponing a financial decision is the best policy.•Transfer learning can address problems of insufficient financial data.