marketswimmer 2.2.1

Warren Buffett's Owner Earnings Analysis Tool - Calculate true economic earnings for any stock

MarketSwimmer - Owner Earnings Analysis Tool 🏊‍♂️📈

A comprehensive tool for analyzing Warren Buffett's "Owner Earnings" from financial statement data.

� v2.1.0 - What's New

✅ Complete Data Processing Pipeline: Automated XLSX-to-CSV conversion for seamless workflow
✅ Real Quarterly Data: Proper quarter-by-quarter financial analysis (not just annual duplicates)
✅ Professional Visualizations: 3 chart types with recent years focus
✅ Smart Download Detection: Automatically detects XLSX files in Downloads folder
✅ Clean Color Scheme: Improved white/blue theme for better readability

📦 Installation

pip install marketswimmer

� Quick Start

Command Line Usage

# Launch GUI
marketswimmer gui

# Process downloaded data
python process_financial_data.py TICKER

# Create visualizations
marketswimmer visualize --ticker TICKER

# Full analysis
marketswimmer analyze TICKER

GUI Workflow

1. Launch GUI: marketswimmer gui or double-click launch_clean_gui.bat
2. Select Ticker: Choose a stock symbol (e.g., AAPL, MSFT, BRK.B)
3. Download Data: System opens StockRow page for manual data download
4. Process Data: Run python process_financial_data.py TICKER
5. Analyze: Use GUI "Calculate Owner Earnings" and "Create Visualizations" buttons

📊 Output Files

• Charts: charts/[ticker]_*.png - Visual analysis charts
• Data: data/owner_earnings_*.csv - Raw analysis data
• Logs: logs/marketswimmer_*.log - Application logs

💡 Owner Earnings Formula

Owner Earnings = Net Income + Depreciation/Amortization - CapEx - Working Capital Changes

🎯 Features

• ✅ Ticker-specific analysis
• ✅ Annual and quarterly data processing
• ✅ Professional visualizations
• ✅ Automated chart generation
• ✅ Clean directory organization
• ✅ Comprehensive logging

📋 Requirements

• Python 3.12+
• pandas, matplotlib, seaborn
• PyQt6 (for GUI)
• Internet connection (for data download)