fintech-algorithms

675 pure functions for market, financial and statistical calculations. Plain arrays and objects in, plain values out. Zero runtime dependencies, Node >= 22, ESM.

Docs: https://docs.thefintechbuilder.com · Authoritative agent guide: https://docs.thefintechbuilder.com/guides/ai-agents/

Non-negotiables

Four rules. Breaking any one produces output that looks right and is wrong.