Interactive Brokers Algotrading

Knowledge base for building production-grade algorithmic trading systems with Interactive Brokers TWS API and ib_async in Python.

When to Use

• Connecting to TWS or IB Gateway with ib_async
• Implementing real-time market data subscriptions
• Designing order execution logic (bracket orders, order lifecycle)
• Handling pacing violations for historical data requests
• Building reconnection resilience for 24/7 production bots
• Deploying IB trading systems on Windows with IBC + Task Scheduler
• Debugging TWS API error codes (162, 200, 201, 354, 1100-1102)

Quick Start

For 80% of use cases, start with:

1. Connection: IB Gateway (headless, lower resources) + IBC (automated lifecycle)
2. Library: pip install ib_async (asyncio-native successor to ib_insync)