This is a framework based on deep reinforcement learning for stock market trading. This project is the implementation code for the two papers:
- Learning financial asset-specific trading rules via deep reinforcement learning
- A Reinforcement Learning Based Encoder-Decoder Framework for Learning Stock Trading Rules
The deep reinforcement learning algorithm used here is Deep Q-Learning.
Install pytorch using the following commands. This is for CUDA 11.1 and python 3.8:
pip install torch==1.9.0+cu111 torchvision==0.10.0+cu111 torchaudio==0.9.0 -f https://download.pytorch.org/whl/torch_stable.html- python = 3.8
- pandas = 1.3.2
- numpy = 1.21.2
- matplotlib = 3.4.3
- cython = 0.29.24
- scikit-learn = 0.24.2
-
Right now this project does not have a code for getting user hyper-parameters from terminal and running the code. We preferred writing a jupyter notebook (
Main.ipynb) in which you can set the input data, the model, along with setting the hyper-parameters. -
The project also does not have a code to do Hyper-parameter search (its easy to implement).
-
You can also set the seed for running the experiments in the original code for training the models.
In this section, I briefly explain different parts of the project and how to change each. The data for the project
downloaded from Yahoo Finance where you can search for a specific market there and download
your data under the Historical Data section. Then you create a directory with the name of the stock under the data
directory and put the .csv
file there.
The DataLoader directory contains files to process the data and interact with the RL agent. The DataLoader.py loads
the data given the folder name under Data folder and also the name of the .csv file. For this, you should use
the YahooFinanceDataLoader class for using data downloaded from Yahoo Finance.
The Data.py file is the environment that interacts with the RL agent. This file contains all the functionalities used
in a standard RL environment. For each agent, I developed a class inherited from the Data class that only differs in the
state space (consider that states for LSTM and convolutional models are time-series, while for other models are simple
OHLCs). In DataForPatternBasedAgent.py the states are patterns extracted using rule-based methods in technical
analysis. In DataAutoPatternExtractionAgent.py
states are Open, High, Low, and Close prices (plus some other information about the candle-stick like trend, upper
shadow, lower shadow, etc). In DataSequential.py as it is obvious from the name, the state space is time-series which
is used in both LSTM and Convolutional models. DataSequencePrediction.py was an idea for feeding states that have been
predicted using an LSTM model to the RL agent. This idea is raw and needs to be developed.
Where ever we used encoder-decoder architecture, the decoder is the DQN agent whose neural network is the same across all the models.
The DeepRLAgent directory contains the DQN model without encoder part (VanillaInput) whose data loader corresponds
to DataAutoPatternExtractionAgent.py and DataForPatternBasedAgent.py; an encoder-decoder model where the encoder is
a 1d convolutional layer added to the decoder which is DQN agent under SimpleCNNEncoder directory; an encoder-decoder
model where encoder is a simple MLP model and the decoder is DQN agent under MLPEncoder directory.
Under the EncoderDecoderAgent there exist all the time-series models, including CNN
(two-layered 1d CNN as encoder), CNN2D (a single-layered 2d CNN as encoder), CNN-GRU
(the encoder is a 1d CNN over input and then a GRU on the output of CNN. The purpose of this model is that CNN
extracts features from each candlestick, thenGRU
extracts temporal dependency among those extracted features.), CNNAttn (A two-layered 1d CNN with attention layer for
putting higher emphasis on specific parts of the features extracted from the time-series data), and a GRU encoder
which extracts temporal relations among candles. All of these models use DataSequential.py file as environment.
For running each agent, please refer to the Main.ipynb file for instructions on how to run each agent and feed data.
The Main.ipynb file also has code for plotting results.
The Objects directory contains the saved models from our experiments for each agent.
The PatternDetectionCandleStick directory contains Evaluation.py file which has all the evaluation metrics used in
the paper. This file receives the actions from the agents and evaluate the result of the strategy offered by each agent.
The LabelPatterns.py uses rule-based methods to generate buy or sell signals. Also Extract.py
is another file used for detecting wellknown candlestick patterns.
RLAgent directory is the implementation of the traditional RL algorithm SARSA-λ using cython. In order to run
that in the Main.ipynb you should first build the cython file. In order to do that, run the following script inside
it's directory in terminal:
python setup.py build_ext --inplaceThis works for both linux and windows.
For more information on the algorithms and models, please refer to the original paper. You can find them in the references.
If you had any questions regarding the paper, code, or you wanted to contribute, please send me an email: [email protected]
@article{taghian2020learning,
title={Learning financial asset-specific trading rules via deep reinforcement learning},
author={Taghian, Mehran and Asadi, Ahmad and Safabakhsh, Reza},
journal={arXiv preprint arXiv:2010.14194},
year={2020}
}
@article{taghian2021reinforcement,
title={A Reinforcement Learning Based Encoder-Decoder Framework for Learning Stock Trading Rules},
author={Taghian, Mehran and Asadi, Ahmad and Safabakhsh, Reza},
journal={arXiv preprint arXiv:2101.03867},
year={2021}
}
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