✅ Multi-Symbol Integration Complete - 5 Asset Classes, 8/8 Tests Passing
**Summary**: Expanded real data coverage from 2 to 5 diverse symbols across equity, commodity, fixed income, and currency markets. All integration tests passing with zero data quality violations.
**Symbols Added**:
- GC (Gold Futures): 781 bars, 30 days, $0.00
- ZN.FUT (10-Year Treasury): 28,935 bars, 30 days, $0.11
- 6E.FUT (Euro FX): 29,937 bars, 30 days, $0.11
**Existing Symbols**:
- ES.FUT (S&P 500 E-mini): 1,674 bars, 1 day
- NQ.FUT (NASDAQ E-mini): 1,593 bars, 1 day
**Test Results**: 8/8 passing (100%)
- test_load_all_symbols
- test_multi_symbol_loading
- test_asset_class_price_ranges
- test_repository_multi_symbol
- test_data_availability_multi_symbol
- test_multi_symbol_quality
- test_cross_asset_correlation
- test_multi_symbol_performance
**Data Quality**: 62,920 bars validated, 0 OHLCV violations
**Performance**: <100ms for all symbols, 1,514 bars/ms throughput
**Production Ready**: 4/5 symbols (80%) - ES, NQ, ZN, 6E approved
**Budget Tracking**:
- Total spent: $0.62 of $125.00 (0.5%)
- Remaining: $124.38 (99.5%)
**Files Modified**:
- services/backtesting_service/tests/dbn_multi_symbol_tests.rs (+315 lines)
- services/backtesting_service/tests/mock_repositories.rs (+12 lines)
- MULTI_SYMBOL_INTEGRATION_COMPLETE.md (+415 lines)
- CLAUDE.md (updated with multi-symbol status)
**Next Steps**: Moving Average Crossover backtesting with multi-symbol data
🎯 Foxhunt Real Data Integration - Agent 24 Multi-Symbol Expansion
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