Yi1214 / FinRL

FinRL: The first open-source project for financial reinforcement learning. Please star. 🔥

Home Page:https://finrl.readthedocs.io

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FinRL: Deep Reinforcement Learning for Quantitative Finance twitter facebook google+ linkedin

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"I visualise a time when we will be to robots what dogs are to humans, and I’m rooting for the machines." — Claude Shannon

"We can only see a short distance ahead, but we can see plenty there that needs to be done." -Alan Turing

Our Mission: to efficiently automate trading. We continuously develop and share codes for finance.

Our Vision: AI community has accumulated an open-source code ocean over the past decade. Applying these intellectual and engineering properties to finance will initiate a paradigm shift from the conventional trading routine to an automated machine learning approach, even RLOps in finance.

FinRL (website) is the first open-source project to explore the great potential of deep reinforcement learning in finance. We help practitioners pipeline a trading strategy using deep reinforcement learning (DRL).

The FinRL ecosystem is a unified framework, including various markets, state-of-the-art algorithms, financial tasks (portfolio management, cryptocurrency trading, high-frequency trading), live trading, etc.

Roadmap Level Users Example Desription
0.0 (Preparation) preparation practitioners of financial big data FinRL-Meta a universe of market environments
1.0 (Proof-of-Concept) entry-level beginners this repo demonstration, education
2.0 (Professional) intermediate-level full-stack developers, professionals ElegantRL financially optimized DRL algorithms
3.0 (Production) advance-level investment banks, hedge funds Podracer cloud-native solution



FinRL has three layers: applications, drl agents, and market environments.

For a trading task (on the top), an agent (in the middle) interacts with an environment (at the bottom), making sequential decisions.

Run FinRL_StockTrading_NeurIPS_2018.ipynb step by step for a quick start.

A video about FinRL library at the AI4Finance Youtube Channel.

Star History

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File Structure

Correspondingly, the main folder finrl has three subfolders apps, drl_agents, finrl_meta.

We employ a train-test-trade pipeline by three files: train.py, test.py, and trade.py.

├── finrl (main folder)
│   ├── applications
│   	├── cryptocurrency_trading
│   	├── high_frequency_trading
│   	├── portfolio_allocation
│   	└── stock_trading
│   ├── agents
│   	├── elegantrl
│   	├── rllib
│   	└── stablebaseline3
│   ├── finrl_meta
│   	├── data_processors
│   	├── env_cryptocurrency_trading
│   	├── env_portfolio_allocation
│   	├── env_stock_trading
│   	├── preprocessor
│   	├── data_processor.py
│   	└── finrl_meta_config.py
│   ├── config.py
│   ├── config_tickers.py
│   ├── main.py
│   ├── plot.py
│   ├── train.py
│   ├── test.py
│   └── trade.py
├── tutorial (tutorial notebooks and educational files)
├── unit_testing (make sure verified codes working on env & data)
│   ├── test_env
│   	└── test_env_cashpenalty.py
│   └── test_marketdata
│   	└── test_yahoodownload.py
├── setup.py
├── requirements.txt
└── README.md

Supported Data Sources

Data Source Type Range and Frequency Request Limits Raw Data Preprocessed Data
Alpaca US Stocks, ETFs 2015-now, 1min Account-specific OHLCV Prices&Indicators
Baostock CN Securities 1990-12-19-now, 5min Account-specific OHLCV Prices&Indicators
Binance Cryptocurrency API-specific, 1s, 1min API-specific Tick-level daily aggegrated trades, OHLCV Prices&Indicators
CCXT Cryptocurrency API-specific, 1min API-specific OHLCV Prices&Indicators
IEXCloud NMS US securities 1970-now, 1 day 100 per second per IP OHLCV Prices&Indicators
JoinQuant CN Securities 2005-now, 1min 3 requests each time OHLCV Prices&Indicators
QuantConnect US Securities 1998-now, 1s NA OHLCV Prices&Indicators
RiceQuant CN Securities 2005-now, 1ms Account-specific OHLCV Prices&Indicators
Tushare CN Securities, A share -now, 1 min Account-specific OHLCV Prices&Indicators
WRDS US Securities 2003-now, 1ms 5 requests each time Intraday Trades Prices&Indicators
YahooFinance US Securities Frequency-specific, 1min 2,000/hour OHLCV Prices&Indicators

OHLCV: open, high, low, and close prices; volume. adjusted_close: adjusted close price

Technical indicators: 'macd', 'boll_ub', 'boll_lb', 'rsi_30', 'dx_30', 'close_30_sma', 'close_60_sma'. Users also can add new features.


Status Update

Version History [click to expand]
  • 2021-08-25 0.3.1: pytorch version with a three-layer architecture, apps (financial tasks), drl_agents (drl algorithms), neo_finrl (gym env)
  • 2020-12-14 Upgraded to Pytorch with stable-baselines3; Remove tensorflow 1.0 at this moment, under development to support tensorflow 2.0
  • 2020-11-27 0.1: Beta version with tensorflow 1.5


  • FinRL is the first open-source framework to demonstrate the great potential of applying DRL algorithms in quantitative finance. We build an ecosystem around the FinRL framework, which seeds the rapidly growing AI4Finance community.
  • The application layer provides interfaces for users to customize FinRL to their own trading tasks. Automated backtesting tool and performance metrics are provided to help quantitative traders iterate trading strategies at a high turnover rate. Profitable trading strategies are reproducible and hands-on tutorials are provided in a beginner-friendly fashion. Adjusting the trained models to the rapidly changing markets is also possible.
  • The agent layer provides state-of-the-art DRL algorithms that are adapted to finance with fine-tuned hyperparameters. Users can add new DRL algorithms.
  • The environment layer includes not only a collection of historical data APIs, but also live trading APIs. They are reconfigured into standard OpenAI gym-style environments. Moreover, it incorporates market frictions and allows users to customize the trading time granularity.



Citing FinRL

    author  = {Liu, Xiao-Yang and Yang, Hongyang and Chen, Qian and Zhang, Runjia and Yang, Liuqing and Xiao, Bowen and Wang, Christina Dan},
    title   = {{FinRL}: A deep reinforcement learning library for automated stock trading in quantitative finance},
    journal = {Deep RL Workshop, NeurIPS 2020},
    year    = {2020}
    author  = {Liu, Xiao-Yang and Yang, Hongyang and Gao, Jiechao and Wang, Christina Dan},
    title   = {{FinRL}: Deep reinforcement learning framework to automate trading in quantitative finance},
    journal = {ACM International Conference on AI in Finance (ICAIF)},
    year    = {2021}

We published FinTech papers, check Google Scholar, resulting in this project. Closely related papers are given in the list.

Join and Contribute

Welcome to the AI4Finance Foundation community!

Join to discuss FinRL: AI4Finance mailing list, AI4Finance Slack channel:

Follow us on WeChat:

Please check Contributing Guidances.




Welcome gift money to support AI4Finance, a non-profit academic community. Use the links in the right, or scan the following vemo QR code:

Detailed sponsorship records can be found at Issue #425


MIT License

Disclaimer: Nothing herein is financial advice, and NOT a recommendation to trade real money. Please use common sense and always first consult a professional before trading or investing.


FinRL: The first open-source project for financial reinforcement learning. Please star. 🔥


License:MIT License


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