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modular-arbitrage-engine

Modular arbitrage execution engine with plugin-based exchange integration, paper trading, and configurable slippage models.

Features

  • Plugin-based architecture - add new exchanges, DEXs, or data sources easily
  • Cross-exchange arbitrage across 100+ exchanges via CCXT + custom plugin adapters
  • Triangular arbitrage within single exchanges
  • Bellman-Ford graph-based arbitrage detection
  • Paper trading with PnL tracking and win rate analytics
  • Configurable slippage simulation (conservative default: 30%)
  • Live terminal + web dashboard for real-time opportunity monitoring

Unlike typical trading bots, this project is designed as a modular research and execution framework for arbitrage systems.

Quick start

uv venv
uv pip install -r requirements.txt
python main.py

Configuration

Edit config.yaml:

exchanges:
  - binance
  - coinbase
  - kraken

symbols:
  - BTC/USDT
  - ETH/USDT
  - ETH/BTC

fees:
  default: 0.0001
  binance: 0.0001
  coinbase: 0.0005

poll_interval: 1.0
min_profit_pct: 0.05
min_volume: 100
starting_balance:
  USDT: 10000

Live Arbitrage Detection Output (real-time scan)

Live output from the arbitrage engine scanning multiple markets in real time:

Screenshot 2026-05-07 222503 Screenshot 2026-05-07 222444

Running tests

python -m pytest tests/ -v

Project structure

├── main.py              # entry point
├── config.yaml        # settings
├── core/
│   ├── engine.py     # main loop
│   ├── models.py    # data structures
│   └── arbitrage/  # detection algorithms
├── plugins/
│   ├── cex/ccxt_adapter.py    # exchange connectivity
│   ├── dex/uniswap_v2.py      # on-chain data
│   └── polymarket/           # prediction markets
└── tests/            # test suite

Learning Resources

Want to understand arbitrage? See MASTERY-CONCEPTS.md — covers AMM math, graph theory, flash loans, MEV and arbitrage market structure.

Fee Note

Default maker fee: 0.01% (configurable per exchange)

Lower fee tiers significantly impact detected arbitrage opportunities.

All fees can be adjusted in config.yaml based on your trading volume tier.

Notes

This project is experimental and focused on modeling realistic arbitrage conditions rather than guaranteed profitability.

Feedback, improvements, and contributions are welcome.

Disclaimer: This project is for educational purposes only. Not financial advice.