Financial Software

The Strategy Pattern in a Backtesting Engine

May 22, 2026

How to design a strategy interface that runs identically in simulation and live trading — separating business logic from execution so strategies can be developed, tested, and deployed without modification.

Fixed-Point Numeric Types in Go Financial Software

May 22, 2026

Why floating-point numbers are wrong for prices and money, and how fixed-point integer types in Go eliminate rounding errors in financial calculations.