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Dev.to
6/25/2026
How to Build a Crypto Trading Bot in Python — Step-by-Step Guide with Source Code

How to Build a Crypto Trading Bot in Python — Step-by-Step Guide with Source Code

Short summary

Detailed Python tutorial for building a modular cryptocurrency trading bot with strategy plug-ins, backtesting, and paper trading. Addresses production reliability: exchange API errors (clock drift, rate limits), WebSocket reconnection, and deployment on a $5 VPS.

  • Modular Python architecture with pluggable strategies (RSI, MACD) and CLI for switching modes without code changes
  • Production patterns for exchange API failures, rate limiting, WebSocket disconnects, and timestamp drift—common pitfalls in live trading
  • Free AlgoTrak Backtest Lab (MIT) provides backtesting engine and 5 strategies; paid version offers 14 strategies, risk management, and Docker deployment

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