👉 "Fokker" is a mathematical concept that describes the behavior of a particle undergoing a random walk or diffusion process. It's named after the physicist John Fokker, who in 1932 developed it for the analysis of financial markets. The "f" stands for "fluctuation," and the "k" stands for "rate." This term is often used to describe the stochastic behavior of particles that are not necessarily stationary or predictable. In mathematical finance, fokker