[Polymarket: Will charge up to 3% trading fee in 15-minute crypto markets] Odaily Planet Daily News: According to monitoring by The Poly Nerd, Polymarket's official documentation has added a 'Trading Fees' page, clearly stating that a fee will be implemented for 15-minute crypto markets. This adjustment indicates that Polymarket is about to start charging up to a 3% taker fee in these short-term markets.