AlphaHyperGiant · AlphaHyperGiant · Jan 4, 2026
diff --git a/.gitignore b/.gitignore
@@ -1,26 +1,48 @@
-__pycache__/*
-yfinance/__pycache__/*
-dist
-yfinance.egg-info
-*.pyc
-.coverage
-.idea/
-.vscode/
+# Python
+__pycache__/
+*.py[cod]
+*$py.class
+*.so
+.Python
 build/
-*.html
-*.css
-test.ipynb
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+*.egg-info/
+.installed.cfg
+*.egg
 
-# Environments
-.env
-.venv
-env/
+# Virtual Environment
 venv/
 ENV/
+env/
+
+# IDE
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+
+# Flask
+instance/
+.webassets-cache
+
+# Environment variables
+.env
+.env.local
+
+# OS
+.DS_Store
+Thumbs.db
 
-# Documentation
-/doc/build/
-/doc/_build/
-/doc/source/reference/api
-!yfinance.css
-!/doc/source/development/assets/branches.png
+# Logs
+*.log
diff --git a/MARKETPLACE_LISTING.md b/MARKETPLACE_LISTING.md
@@ -0,0 +1,97 @@
+# Stock Portfolio Tracker - Marketplace Listing
+
+## Product Overview
+
+**Price:** $10 USD  
+**Category:** Web Application / SaaS Prototype  
+**Platform:** Web (All Devices)
+
+## Description
+
+A professional-grade Stock Portfolio Tracker web application built with Flask and modern web technologies. This responsive application allows users to track their stock investments in real-time with beautiful charts and an intuitive interface.
+
+## Key Features
+
+✅ **Real-time Stock Data** - Live quotes from Yahoo Finance  
+✅ **Interactive Charts** - Price history with multiple time periods  
+✅ **Portfolio Management** - Add/remove stocks easily  
+✅ **Fully Responsive** - Works perfectly on desktop, tablet, and mobile  
+✅ **Auto-refresh** - Portfolio updates every 30 seconds  
+✅ **Local Storage** - Portfolio saved in browser  
+✅ **Modern UI** - Clean, professional design  
+✅ **No API Keys Required** - Uses free Yahoo Finance data  
+
+## Technical Stack
+
+- **Backend:** Flask (Python)
+- **Frontend:** HTML5, CSS3, JavaScript (Vanilla)
+- **Charts:** Chart.js
+- **Data:** Yahoo Finance via yfinance library
+- **Storage:** Browser LocalStorage
+
+## What's Included
+
+- Complete source code
+- Responsive HTML/CSS/JavaScript
+- Flask backend API
+- Deployment instructions
+- Quick start script
+- Documentation
+
+## Quick Start
+
+```bash
+# Install dependencies
+pip install -r requirements-app.txt
+
+# Run the application
+python app.py
+
+# Or use the quick start script
+./start.sh
+```
+
+Then open http://localhost:5000 in your browser.
+
+## Deployment Options
+
+- ✅ Heroku
+- ✅ Railway
+- ✅ Render
+- ✅ DigitalOcean
+- ✅ AWS
+- ✅ Any Python hosting platform
+
+## Screenshots Description
+
+1. **Main Dashboard** - Clean interface showing portfolio grid
+2. **Stock Cards** - Individual cards with price, change, volume, market cap
+3. **Interactive Charts** - Price history with multiple time periods
+4. **Mobile View** - Responsive design on mobile devices
+5. **Add Stock** - Simple search and add functionality
+
+## Use Cases
+
+- Personal portfolio tracking
+- Stock market education
+- Investment research
+- Financial dashboard
+- Learning web development
+
+## Requirements
+
+- Python 3.7+
+- Modern web browser
+- Internet connection (for stock data)
+
+## Support
+
+Full documentation included. Code is well-commented and easy to customize.
+
+## License
+
+Full source code included. Commercial use allowed.
+
+---
+
+**Perfect for:** Developers, investors, students, entrepreneurs looking for a ready-to-deploy stock tracking solution.
diff --git a/PROTOTYPE_README.md b/PROTOTYPE_README.md
@@ -0,0 +1,141 @@
+# Stock Portfolio Tracker - Marketplace Prototype ($10)
+
+A responsive web application for tracking stock portfolios in real-time. Works seamlessly across all devices (desktop, tablet, mobile).
+
+## Features
+
+- 📈 **Real-time Stock Quotes** - Get live stock prices and market data
+- 📊 **Interactive Charts** - View price history with multiple time periods (5D, 1M, 3M, 6M, 1Y)
+- 💼 **Portfolio Management** - Add/remove stocks and track your portfolio
+- 📱 **Fully Responsive** - Beautiful UI that works on all screen sizes
+- 💾 **Local Storage** - Your portfolio is saved locally in your browser
+- 🔄 **Auto-refresh** - Portfolio updates every 30 seconds automatically
+
+## Quick Start
+
+### Prerequisites
+
+- Python 3.7 or higher
+- pip (Python package manager)
+
+### Installation
+
+1. Install dependencies:
+```bash
+pip install -r requirements-app.txt
+```
+
+2. Run the application:
+```bash
+python app.py
+```
+
+3. Open your browser and navigate to:
+```
+http://localhost:5000
+```
+
+## Usage
+
+1. **Add Stocks**: Enter a stock symbol (e.g., AAPL, MSFT, GOOGL) and click "Add Stock"
+2. **View Details**: Click on any stock card to see its price history chart
+3. **Change Time Period**: Use the period buttons (5D, 1M, 3M, 6M, 1Y) to view different timeframes
+4. **Remove Stocks**: Click the × button on any stock card to remove it from your portfolio
+
+## Deployment
+
+### Local Development
+```bash
+python app.py
+```
+
+### Production Deployment
+
+#### Option 1: Using Gunicorn (Recommended)
+```bash
+pip install gunicorn
+gunicorn -w 4 -b 0.0.0.0:5000 app:app
+```
+
+#### Option 2: Using Docker
+Create a `Dockerfile`:
+```dockerfile
+FROM python:3.9-slim
+WORKDIR /app
+COPY requirements-app.txt .
+RUN pip install --no-cache-dir -r requirements-app.txt
+COPY . .
+EXPOSE 5000
+CMD ["gunicorn", "-w", "4", "-b", "0.0.0.0:5000", "app:app"]
+```
+
+Build and run:
+```bash
+docker build -t stock-tracker .
+docker run -p 5000:5000 stock-tracker
+```
+
+#### Option 3: Deploy to Cloud Platforms
+
+**Heroku:**
+```bash
+heroku create stock-portfolio-tracker
+git push heroku main
+```
+
+**Railway:**
+- Connect your repository
+- Set start command: `gunicorn -w 4 -b 0.0.0.0:$PORT app:app`
+- Deploy automatically
+
+**Render:**
+- Create a new Web Service
+- Set build command: `pip install -r requirements-app.txt`
+- Set start command: `gunicorn -w 4 -b 0.0.0.0:5000 app:app`
+
+## Marketplace Listing
+
+### Product Description
+"Stock Portfolio Tracker - A professional-grade web application for tracking your stock investments in real-time. Features interactive charts, responsive design, and automatic portfolio updates. Perfect for investors who want a simple, elegant solution to monitor their stocks."
+
+### Pricing
+**$10 USD** - One-time purchase includes:
+- Full source code
+- Deployment instructions
+- Lifetime updates
+- Commercial use license
+
+### Key Selling Points
+- ✅ Works on all devices (desktop, tablet, mobile)
+- ✅ Real-time stock data from Yahoo Finance
+- ✅ Beautiful, modern UI
+- ✅ Easy to deploy and customize
+- ✅ No API keys required
+- ✅ Lightweight and fast
+
+## Technical Details
+
+- **Backend**: Flask (Python)
+- **Frontend**: HTML5, CSS3, JavaScript (Vanilla)
+- **Charts**: Chart.js
+- **Data Source**: Yahoo Finance (via yfinance library)
+- **Storage**: Browser LocalStorage
+
+## Browser Support
+
+- Chrome/Edge (latest)
+- Firefox (latest)
+- Safari (latest)
+- Mobile browsers (iOS Safari, Chrome Mobile)
+
+## License
+
+This prototype is provided as-is for marketplace sale. The buyer receives full source code and deployment rights.
+
+## Support
+
+For questions or issues, please refer to the deployment documentation or contact the seller.
+
+---
+
+**Note**: This application uses Yahoo Finance data which is intended for personal use only. Please refer to Yahoo's terms of use for commercial usage rights.