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docker-configs/backtest/chat_history/enhanced_emotional_damage_debug_session.json
2025-07-18 00:00:01 -05:00

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{
"session_info": {
"date": "2025-07-17",
"session_type": "Debug and Fix Session",
"focus": "Enhanced Emotional Damage Strategy - Critical Bug Fixes",
"status": "Partially Complete - Network Issues",
"duration": "Extended debugging session",
"context": "Continuation from previous emotional-damage strategy implementation"
},
"conversation_summary": {
"initial_context": "User switched from Windows to Linux to avoid permission issues and token waste",
"main_issues_found": [
"Critical compounding error in gradual transition algorithm causing 1291 billion portfolio spike",
"QQQ and SPY using identical data source (both using spy_close)",
"Missing third line in charts due to data overlap",
"Visualization scale issues masking actual performance differences"
],
"user_requests": [
"Investigate portfolio value spike around 2010",
"Fix all data and visualization issues",
"Download real QQQ data instead of synthetic",
"Regenerate corrected PDF report"
]
},
"technical_findings": {
"critical_bug_identified": {
"issue": "Gradual transition algorithm creating money instead of reallocating",
"location": "backtest_emotional_damage_enhanced_v2.py lines 233-234",
"problem_code": "total_value = self.calculate_portfolio_value(date); target_qqq_value = total_value * step_size",
"impact": "Portfolio value grew from 167M to 1291B (impossible 129M% return)",
"fix_implemented": "Created start_transition() method to fix allocation at beginning of transition"
},
"data_source_issues": {
"qqq_spy_identical": "Both QQQ and SPY benchmarks using fear_greed_data.spy_close",
"database_structure": "No dedicated QQQ table found, only qqq_constituents",
"spy_data_source": "Real SPY data downloaded via yfinance in create_fear_greed_index.py",
"network_limitation": "Yahoo Finance rate limiting preventing QQQ download"
},
"visualization_problems": {
"missing_lines": "Three lines exist but QQQ/SPY completely overlap",
"scale_issues": "Return differences appear exaggerated in charts",
"data_accuracy": "Strategy using SPY prices for QQQ trades (unrealistic)"
}
},
"fixes_implemented": {
"gradual_transition_fix": {
"new_methods": [
"start_transition(date, target_type, stocks) - Calculate total transferable funds",
"Updated gradual_transition() - Use fixed allocation per step"
],
"state_management": "Added transition_plan and transition_cash_pool tracking",
"result": "Portfolio returns now realistic 516.8% over 17 years (~11% annual)"
},
"algorithm_improvements": [
"Fixed compounding error eliminating impossible returns",
"Proper cash flow management during transitions",
"Maintained all three enhancement features: gradual transitions, technical indicators, stop-loss"
]
},
"remaining_issues": {
"data_download": "QQQ historical data download blocked by rate limiting",
"spy_qqq_overlap": "Charts still show only 2 lines due to identical data",
"network_dependency": "Need to retry QQQ download when rate limit resets"
},
"files_modified": {
"strategy_file": "strategy/emotional-damage/backtest_emotional_damage_enhanced_v2.py",
"report_generator": "strategy/emotional-damage/generate_enhanced_pdf_report.py",
"new_pdf_report": "enhanced_emotional_damage_strategy_report_20250717_222606.pdf",
"download_script": "download_qqq_data.py (created but blocked by rate limiting)"
},
"performance_comparison": {
"before_fix": {
"portfolio_value": "1,291,000,000,000 (impossible)",
"total_return": "129,000,000% (impossible)",
"max_trades": "100 trades with massive value growth"
},
"after_fix": {
"portfolio_value": "1,233,648 (realistic)",
"total_return": "516.8% over 17 years",
"annual_return": "~11% (reasonable)",
"max_trades": "4 trades (simpler strategy behavior)"
}
},
"next_steps": {
"immediate": [
"Wait for Yahoo Finance rate limit reset (tomorrow)",
"Download real QQQ historical data",
"Update database with separate QQQ table",
"Fix report generation to use distinct QQQ vs SPY data"
],
"verification": [
"Confirm QQQ vs SPY show different performance curves",
"Verify all three strategy lines appear distinctly in charts",
"Validate return calculations match real market performance",
"Generate final corrected PDF report"
]
},
"lessons_learned": {
"algorithm_design": "Gradual transitions must redistribute existing funds, not create new capital",
"data_integrity": "ETF data should be downloaded directly, not synthesized from components",
"debugging_approach": "Impossible returns are immediate red flags requiring algorithm review",
"testing_importance": "Sanity check all financial calculations against realistic bounds"
}
}