A more thorough explanation:

Definition: Market activity refers to the level of buying and selling of a particular asset or security in a given market. It is often measured by market volume, which is the total number of shares or contracts traded in a specific time period.

Examples:

• During a busy trading day, the market activity for a particular stock may be high, with many investors buying and selling shares.
• In contrast, on a slow day, the market activity for the same stock may be low, with fewer trades taking place.

These examples illustrate how market activity can vary depending on the level of interest and activity in a particular market. When there is high market activity, it can indicate that there is a lot of interest in a particular asset or security, which can impact its price and overall market trends.