Code

The code library

Copy-ready Pine Script, Python, and Node.js snippets — each explained, attributed, and downloadable. Education only.

Pine Script

A minimal, non-repainting EMA crossover indicator in Pine Script v5 that marks where a fast EMA crosses a slow EMA.

A vectorized NumPy/pandas function to compute the maximum peak-to-trough drawdown of an equity curve.

A minimal, signature-verified Express endpoint that safely receives TradingView alert webhooks in Node.js.