Chang’e is a full-stack paper trading web app that lets users simulate investing with real-time stock data and AI-driven financial analysis.
It integrates AlphaVantage for live market data and Gemini Flash (with grounding) to retrieve, summarize, and cite recent, credible financial news relevant to each portfolio.
Authentication is handled by Clerk, and the entire system is containerized and reverse-proxied for production deployment.
- Real-Time Stock Data from AlphaVantage
- Paper Trading with portfolio tracking
- Gemini Flash AI Insights (grounded, source-linked)
- Secure Authentication via Clerk
- Redis Caching for Gemini API responses
- PostgreSQL Database for trades and holdings
- Dockerized Stack with Nginx reverse proxy
- Next.js Frontend hosted on Vercel
| Layer | Technologies |
|---|---|
| Frontend | React, Next.js, Tailwind CSS, Clerk |
| Backend | Node.js, Express |
| Database | PostgreSQL |
| Caching | Redis |
| AI | Google Gemini Flash (Grounded) |
| Data Source | AlphaVantage API |
| Infrastructure | Docker, Nginx, DigitalOcean, Vercel |
