Market Data Sources Integration¶
📋 Implementation Status: ✅ Core Features Implemented (v1.0.0)
This document provides an index to the multi-source data integration documentation for the trading system.
Overview¶
The trading system supports multiple market data sources to provide redundancy, data validation, rich data types, cost optimization, and flexibility. For detailed information on specific aspects, please refer to the dedicated documents below:
Data Sources Sub-documents¶
- Data Sources Overview: High-level architecture, supported sources, and design principles.
- Polygon.io Integration: Detailed Polygon.io integration guide for production trading systems.
- Yahoo Finance Integration: Comprehensive Yahoo Finance integration guide for backtesting and fundamental analysis.
- Data Source Comparison: Feature comparison matrix, when to use each source, and best practices.
- Implementation Plan: Yahoo Finance implementation phases, next steps, and considerations.
Quick Reference¶
Supported Data Sources¶
| Source | OHLCV | Fundamentals | Real-time | Cost | Best For |
|---|---|---|---|---|---|
| Polygon.io | ✅ | ❌ | ✅ | Paid | Production |
| Yahoo Finance | ✅ | ✅ | ⚠️ Delayed | Free | Research |
| Alpaca | ✅ | ❌ | ✅ | Free | Paper Trading |
Integration Status¶
- ✅ Polygon.io: Core features implemented (v1.0.0)
- ✅ Yahoo Finance: Complete (10/10 data types - 100%)
- 🚧 Alpaca: Basic integration (v1.0.0)
Related Documentation¶
- API Reference: Data Ingestion: API documentation for data ingestion services
- Yahoo Finance Attributes: Detailed attribute reference for Yahoo Finance data
Last Updated: December 2025
Status: ✅ Core Features Implemented (v1.0.0)
Note: This document serves as an index to the modular data sources documentation.