Developer Tutorials

Hands-on, copy-paste-ready tutorials that build real tools with the SecuritiesDB API. Each tutorial is self-contained and uses only the free, no-auth endpoints.

Build a Portfolio Overlap Checker in Python

Python

Detect hidden duplicate holdings across ETFs. Generates a visual overlap heatmap. A free, programmable Morningstar X-Ray alternative.

Intermediate·~10 min·APIs: ETF Overlap, ETF X-Ray, ETF Holdings

Build an Insider Trading Discord Bot in Node.js

Node.js

Automatically detect insider cluster buys from SEC Form 4 filings and alert your Discord server. Cross-references with Piotroski F-Score for signal strength.

Intermediate·~15 min·APIs: Insider Trading, Quant Health

Build a ROIC-WACC Spread Screener

Python

Screen the market for value creators using McKinsey's framework. Includes DuPont decomposition and cross-referencing with DCF fair values.

Intermediate·~12 min·APIs: Quant Health, DCF Valuation, Fama-French

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