An implementation of the [Hierarchical (Sig-Wasserstein) GAN] algorithm for large dimensional Time Series Generation

Overview

Hierarchical GAN for large dimensional financial market data Implementation

This repository is an implementation of the [Hierarchical (Sig-Wasserstein) GAN] algorithm for large dimensional Time Series Generation.

Installation

There are two possible installation setups:

  • YML Installation (Recommended). Run the following command to automatically setup the hiersigcwganenv environment.
    conda env create -f environment.yml
    
  • Manual Installation. Setup a new conda environment with python==3.8.3 and then run
    pip install -r requirements.txt
    

Training on new datasets

In order to train on a new dataset the following changes to the code are needed:

  • Create a folder src/data, add your data file with the name of your dataset and add a data pipeline to data.py with the name get_{}_dataset with {} being the name of your dataset.

  • In hyperparameters_hierarchicalgan.py add an entry with the name of your dataset and the desired parameters to the following dictionaries:

    1. Clustering_Hierarchical_GAN_CONFIGS
    2. Base_SIGCWGAN_CONFIGS
    3. CrossDim_SIGCWGAN_CONFIGS

All training results will be saved to generated_data/{}/seed=i with {} being the name of your dataset and as many seeds as specified.

Generating Scenarios

Once a model has been trained the parser in evaluate_hierarchical_gan.py can be modified to load the trained model and generate scenarios via the function generate_series_hierarchical_gan.

Replicating results from the paper

The data used in the first experiment are the closing prices from $03/05/2000$ to $07/05/2021$ (dd/mm/yyyy) of the continously rolled futures from Tables 2 and 4 in the paper. Due to copyright sharing issues we are not able to share the datasets but we do include the trained models in src/generated_data.

Alt Text

Enjoy!

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