Market volatility refers to the fluctuation in prices that prevents a clear trend from being established. It is a measure of the unpredictability and risk present in the market. As a knowledgeable professor, I would like to stress the importance of understanding market volatility in finance. It is a key factor in making investment decisions, as it can greatly impact the potential returns and risks involved. Therefore, it is essential to analyze market volatility and its potential effects on investments before making any financial decisions.