Is price process of a risky asset a martingale

the risk-neutral measure and its connection to the price process as a martingale. in other words, is price process of a risky asset a martingale?

I wanted to discuss a fundamental concept in financial mathematics that interests you: the risk-neutral measure and its connection to the price process as a martingale. in other words, is price process of a risky asset a martingale?

The risk-neutral measure is a critical concept that allows us to price financial derivatives using a simplified assumption …