What is cash tag?

A cash tag is a term commonly used to refer to the symbol "#" followed by a word or phrase used on social media platforms like Twitter and Instagram to identify and categorize posts or topics. The cash tag helps users easily search for and track specific conversations or trends related to a certain topic. It is commonly used to tag keywords or hashtags for easier visibility and engagement on social media. The term "cash tag" is often used in reference to the stock market and finance, where it is used to identify specific stock symbols.