What term describes an investor who believes that the market or a particular security will rise?

The term that describes an investor who believes that the market or a particular security will rise is "bullish." This term is often used in the context of investing to convey a sense of optimism about favorable price movements. When an investor is bullish, they may look to purchase securities, anticipating that they will increase in value over time. This belief can motivate various investment strategies, such as buying stocks or leveraging options.

In contrast to being bullish, a bearish outlook would imply that an investor anticipates a decline in the market or a specific security, prompting a different approach, often involving selling or short-selling. The concepts of neutrality and indifference indicate a lack of strong opinions or expectations about price movements, which are not aligned with a bullish perspective. Thus, the understanding of being bullish is crucial for making informed predictions and decisions in the financial markets.