stockStack

A real-time stock trading application built with a custom stock matching engine using priority queue.Redis is used to store and update the live order book for high-speed access and real-time performance.The system ensures instant reflection of trades and price changes across the platform.Designed for performance, reliability, and realistic trading experience.

📝 How to Run

1. Clone the repo:

   git clone https://github.com/kd72004/stockstack.git
   cd stockstack

2. Backend:

   • Install dependencies: cd backend && npm install
   • Set up .env with MongoDB and Redis connection strings
   • Seed the database (optional): node seedData.js
   • Start server: npm start

3. Frontend:

   • Install dependencies: cd frontend && npm install
   • Start dev server: npm run dev
   • Visit http://localhost:5173

🧩 Key Highlights

• Custom Matching Algorithm:
  Designed and implemented my own heap-based matching engine for realistic order execution.
• Real-Time Everything:
  Order book, trades, and price updates are pushed instantly to all users.
• Redis-Powered:
  Order book is stored in Redis for speed and multi-server support.
• Scalable & Robust:
  Built with production-ready patterns for scaling and reliability.

🙋‍♂️ Author

• Kalyani

IMAGES :

📢 Notes

• This project is for educational/demo purposes and does not handle real money or connect to real exchanges.
• Contributions and feedback are welcome!