US Stock Market Analyzer

Real-Time Stock Dashboard with FastAPI and WebSockets

2025년 12월 20일

Build a FastAPI WebSocket dashboard handling 500+ live connections on $5/month. No polling, real-time updates, production-ready code included.

2025년 12월 19일

Compare mean-variance vs risk parity with real S&P 500 data. Includes Ledoit-Wolf covariance fix and backtest results you can reproduce.

2025년 12월 19일

VADER missed 40% of bearish signals that FinBERT caught. See which NLP model actually predicts stock moves with financial news sentiment data.

2025년 12월 18일

Interactive Plotly charts reveal MACD divergences that static Matplotlib hides. Includes multi-panel dashboard code for RSI and Bollinger Bands.

2025년 12월 18일

Speed up S&P 500 data fetching 4x by switching from yfinance to raw Yahoo Finance endpoints. Includes data quality validation and error handling.