Awesome Open Source
Awesome Open Source


Rapidly build and deploy quantitative models for stocks, crypto, and forex


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<a target="_blank" href="https://blankly.finance">Our Website</a>

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<a href="#quickstart">Getting Started</a>

Why Blankly?

Blankly is an ecosystem for algotraders enabling anyone to build, monetize and scale their trading algorithms for stocks, crypto, futures or forex. The same code can be backtested, paper traded, sandbox tested and run live by simply changing a single line. Develop locally then deploy, iterate and share using the blankly platform.

The blankly package is designed to be extremely precise in both simulation and live trading. The engineering considerations for highly accurate simulation are described here

Getting started is easy - just pip install blankly and blankly init.

Check out our website and our docs.


Trade Stocks, Crypto, Futures, and Forex

from blankly import Alpaca, CoinbasePro

stocks = Alpaca()
crypto = CoinbasePro()
futures = BinanceFutures()

# Easily perform the same actions across exchanges & asset types
stocks.interface.market_order('AAPL', 'buy', 1)
crypto.interface.market_order('BTC-USD', 'buy', 1)
# Full futures feature set
futures.interface.get_hedge_mode()

Backtest your trades, events, websockets, and custom data

import blankly
"""
This example shows how backtest over tweets
"""

class TwitterBot(blankly.Model):
    def main(self, args):
        while self.has_data:
            self.backtester.value_account()
            self.sleep('1h')

    def event(self, type_: str, data: str):
        # Now check if it's a tweet about Tesla
        if 'tsla' in data.lower() or 'gme' in data.lower():
            # Buy, sell or evaluate your portfolio
            pass


if __name__ == "__main__":
    exchange = blankly.Alpaca()
    model = TwitterBot(exchange)

    # Add the tweets json here
    model.backtester.add_custom_events(blankly.data.JsonEventReader('./tweets.json'))
    # Now add some underlying prices at 1 month
    model.backtester.add_prices('TSLA', '1h', start_date='3/20/22', stop_date='4/15/22')

    # Backtest or run live
    print(model.backtest(args=None, initial_values={'USD': 10000}))

Check out alternative data examples here

Accurate Backtest Holdings

Check out the demo link here.

Go Live in One Line

Seamlessly run your model live!

# Just turn this
strategy.backtest(to='1y')
# Into this
strategy.start()

Dates, times, and scheduling adjust on the backend to make the experience instant.

Quickstart

Installation

  1. First install Blankly using pip. Blankly is hosted on PyPi.
$ pip install blankly
  1. Next, just run:
$ blankly init

This will initialize your working directory.

The command will create the files keys.json, settings.json, backtest.json, blankly.json and an example script called bot.py.

If you don't want to use our init command, you can find the same files in the examples folder under settings.json and keys_example.json

  1. From there, insert your API keys from your exchange into the generated keys.json file or take advantage of the CLI keys prompt.

More information can be found on our docs

Directory format

The working directory format should have at least these files:

project/
   |-bot.py
   |-keys.json
   |-settings.json

Additional Info

Make sure you're using a supported version of python. The module is currently tested on these versions:

  • Python 3.7
  • Python 3.8
  • Python 3.9
  • Python 3.10

For more info, and ways to do more advanced things, check out our getting started docs.

Supported Exchanges

Exchange Live Trading Websockets Paper Trading Backtesting
Coinbase Pro
Binance
Alpaca
OANDA
FTX
KuCoin
Binance Futures
FTX Futures
Okx
Kraken
Keyless Backtesting
TD Ameritrade
Webull
Robinhood

= working

= in development, some or most features are working

= planned but not yet in development

RSI Example

We have a pre-built cookbook examples that implement strategies such as RSI, MACD, and the Golden Cross found in our examples.

Other Info

Subscribe to our news!

https://blankly.substack.com/p/coming-soon

Bugs

Please report any bugs or issues on the GitHub's Issues page.

Disclaimer

Trading is risky. We are not responsible for losses incurred using this software, software fitness for any particular purpose, or responsibility for any issues or bugs. This is free software.

Contributing

If you would like to support the project, pull requests are welcome.

Licensing

Blankly is distributed under the LGPL License. See the LICENSE for more details.

New updates every day .

Art by DALLE 2 - "Robots playfully trading stocks synthwave"
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