Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Where it’s from: Martingale (loosely, it’s the French word for doubling down) was founded in 2023 by Guillaume and Amaury Thomas, fourth-generation Cognac makers, and Andrew Weir, a longtime ...