Factor/Algo Trading and Investing

3D Terrain A local martingale  is a generalization of a martingale, used in more advanced probability theory and financial modeling....

Market Incompleteness Esscher Transform The Esscher transform  is a mathematical tool used to change one probability distribution into...

Margtingale is always right! Stopping times are a core concept in martingale theory because they define when a "fair game" can end....

MetaTrader and C++

The Secret Edge : Reinforcement Learning Note: While the optimal value function  is unique for a given Markov Decision Process (MDP), it...

Randomness as in Random Matrix Theory Random Matrix Theory (RMT) is a statistical framework originally from physics, now widely applied...

We are all Quants! QuantLib, a C++ library with Python bindings, is widely used for pricing derivatives and calculating option Greeks,...

Exposure Gamma Gamma Exposure (GEX) is a powerful concept primarily rooted in options trading, but its effects ripple into stock trading...