Polymarket under fire, new Underdog CFTC filings, and more lawsuits, today in prediction market news LIVE

Today in prediction market news, we’re tracking the biggest developments across the industry in real time, including new scrutiny surrounding Polymarket’s U.S. promotion practices, Minnesota’s legal challenge accusing the Trump administration of rapidly deregulating prediction markets, Underdog’s first CFTC rule filings following its Aristotle Exchange acquisition, Charles Schwab’s entry into the prediction markets business, and fresh federal legislation targeting the sector.