Polymarket, Kalshi Make Moves to Counter Insider Trading as Scrutiny Grows Leading prediction market platforms Polymarket and Kalshi are taking new steps to try and counter insider trading. Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Filed under: Altcoins - @ March 23, 2026 9:15 pm