IBKR knowledge base
Request historical data
Structure historical data requests with explicit symbols, durations, and bar sizes.
IntermediateDraft
historical databarsmarket data
Purpose
Make historical data requests reproducible and reviewable.
Requirements
- Market data permissions
- Contract object
- Pacing awareness
Notes
Document duration, bar size, time zone, and data source before interpreting results.
Common errors
- Missing market data permission
- Ambiguous contract
- Pacing limit
Contributors
Research Contributor