Like many devs who double as market hobbyists, my weekends usually look like a chaotic mess of Jupyter notebooks, multiple stock data APIs, and half-broken custom scripts trying to backtest a simple idea. A few months ago, I hit a wall. I realized I was writing more infrastructure plumbing than...
Source: [Dev.to](https://dev.to/mrhustlex/i-built-tradingspy-a-completely-local-privacy-first-ai-trading-research-assistant-backtester-15kj)