Real-Time Stock Price Tracker

📌 Introduction

The Real-Time Stock Price Tracker is a JavaFX application that retrieves and visualizes live stock prices using the Alpha Vantage API. The application fetches stock prices every 5 seconds and plots them on a real-time line chart.

📖 Table of Contents

• Installation
• Usage
• Features
• Dependencies
• Configuration
• Troubleshooting
• Contributors
• License

⚙️ Installation

1. Clone the repository

   git clone https://github.com/your-repo/stock-price-tracker.git
   cd stock-price-tracker

2. Install JavaFX
   Make sure you have Java 11+ installed along with JavaFX SDK. You can download JavaFX from:
   https://gluonhq.com/products/javafx/

3. Set up API Key

   • Get a free API key from Alpha Vantage.
   • Save the key in a file named api_key.txt in the root directory.

4. Run the application

   javac --module-path /path/to/javafx-sdk/lib --add-modules javafx.controls,javafx.fxml App.java
   java --module-path /path/to/javafx-sdk/lib --add-modules javafx.controls,javafx.fxml App

🚀 Usage

• Launch the application to start tracking stock prices.
• The stock price data updates automatically every 5 seconds.
• View the real-time price movement in the line chart.

✨ Features

• 📈 Real-Time Stock Prices: Fetches stock prices using the Alpha Vantage API.
• 📊 Live Graphing: Displays stock prices dynamically on a JavaFX LineChart.
• ⏳ Automatic Updates: Refreshes every 5 seconds.
• 💾 Data Management: Maintains the latest 100 data points to keep the graph clean.

📦 Dependencies

• JavaFX
• Alpha Vantage API (for stock price data)
• JSON (for parsing API response)

🔧 Configuration

• Modify the stock symbol in the queryStockPrice() method to track a different stock.
• Adjust the refresh rate in the startStockPriceQuery() method (TimeUnit.SECONDS.sleep(5);).

🛠 Troubleshooting

Issue: "Error fetching stock prices"
✅ Solution: Ensure your API key is correct and not exceeding the free request limit.

Issue: "JavaFX runtime error"
✅ Solution: Check that your JavaFX SDK is correctly installed and added to your classpath.

👥 Contributors

• @SoftwareChorepgrapher

📜 License

This project is licensed under the MIT License.

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📌 Note: Make sure you update the paths in the javac and java commands with your JavaFX SDK location.