Fintech · 3 min read
Decimal arithmetic in financial systems: cents that never vanish
Binary floating point can't represent 0.10 exactly. How to represent money, choose rounding rules and split amounts without losing or creating cents.
Fintech
Trading infrastructure, risk, market data and correctness in financial systems.
- Fintech · 4 min read
Pre-trade risk checks: designing the gate on the order path
How to design risk controls that run before every order: which checks to include, in what order, how to keep state without locks, and why to fail closed.