Wash Trading is an illegal type of trading in which a broker and trader collude to make profits by feeding misleading information to the market. This type of activity can have a number of negative consequences for the markets, including distorting prices, artificially inflating volumes, and creating false momentum. Wash trades can also be used to launder money or to hide illicit activity.The best way to combat wash trading is through regulation and oversight. Exchanges should require that all orders be posted publicly so that they can be monitored for suspicious activity. Brokers should also be required to disclose any relationships they have with other brokers or traders. Finally, regulators should actively investigate suspected cases of wash trading and prosecute those who are found guilty.Wash trading is a serious problem that can undermine the integrity of financial markets. But with proper regulation and enforcement, it can be effectively combated.