Polymarket Tightens Insider Trading Rules The prediction market is updating insider trading and manipulation rules days after inking an exclusive partnership with Major League Baseball. Leave a Reply Cancel replyYour email address will not be published.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 11:15 pm