Quantitative Finance, Statistics, Mathematics, Probability, Trading.
on. A typical graph of X(t) So what is martingale? A stochastic process is a martingale if it satisfies the martingale property. For any 0≤s≤t, Martingale property Verbally, conditional on F_s, the expectation of the value of stochastic process at time t, is equal to its value at time s, which is