Insider trading is the illegal practice of trading a company's stock or other securities by individuals with access to non-public information about the company. It is illegal because it gives the trader an unfair advantage over other investors who do not have access to the same information.

Insider trading is the illegal practice of trading in securities (stocks, bonds, options, etc.) by individuals with access to confidential information about the company. This information is not available to the public and is not disclosed in the company’s financial statements. Insider trading is illegal because it gives the insider an unfair advantage over other investors who do not have access to the same information.
Insider trading is a serious offense and can result in criminal and civil penalties. The Securities and Exchange Commission (SEC) is responsible for enforcing insider trading laws. The SEC has the authority to investigate and prosecute individuals who engage in insider trading.
Insider trading can take many forms. It can involve buying or selling securities based on material nonpublic information, tipping others to buy or sell securities, or trading on the basis of information obtained from a company insider. It can also involve trading on the basis of information obtained from a third party, such as a broker or analyst.
Insider trading is a complex area of the law and can be difficult to detect. The SEC has developed a number of tools to help detect and prevent insider trading. These include the use of surveillance systems, the monitoring of trading activity, and the use of computer algorithms to detect suspicious trading patterns.
Insider trading is a serious offense and can have serious consequences. Individuals who engage in insider trading can face criminal and civil penalties, including fines, jail time, and the loss of their trading privileges. It is important for investors to be aware of the risks associated with insider trading and to take steps to protect themselves from becoming victims of insider trading.