📊 Foreign Exchange Tracker

A simple real-time financial data tracking system built with Python.
This project uses a Publisher-Subscriber architecture to distribute live currency and commodity prices.

---

🚀 Features

• Real-time financial data publishing using ZeroMQ
• Subscription-based filtering (USD, EUR, GOLD, SILVER)
• Lightweight and modular structure
• Easy to extend with GUI or visualization tools

---

🛠️ Technologies Used

• Python
• ZeroMQ (zmq)
• yfinance

---

📂 Project Structure

foreignExchangeProject/ │ ├── publisher.py # Sends financial data (Publisher) ├── subscriber.py # Receives and filters data (Subscriber) ├── README.md └── requirements.txt

---

⚙️ How It Works

1. The publisher fetches live financial data using yfinance
2. Data is sent through a ZeroMQ PUB socket
3. Subscriber connects and filters specific assets
4. Only selected data (e.g., USD, GOLD) is displayed

---

▶️ How to Run

1. Install dependencies

pip install -r requirements.txt

2. Run Publisher

python publisher.py

3. Run Subscriber

python subscriber.py

---

📌 Example Output

GUMUS 28.45 USD 32.10 EUR 35.20

---

🎓 Academic Context

This project was developed as part of a Computer Networks course.
It demonstrates real-time communication using the Publisher-Subscriber model with ZeroMQ.

---

🔮 Future Improvements

• GUI interface using Tkinter
• Live chart visualization
• Multiple subscriber support
• Historical data storage

---

👩‍💻 Author

Nuriye Altan