[Polymarket's U.S. platform nominal trading volume exceeds $750 million, with over 5 million transactions] Odaily Planet Daily News: Crypto KOL Dash posted on platform X stating that, to date (Odaily Planet Daily note: starting from November last year), Polymarket's U.S. platform nominal trading volume has surpassed $750 million, with transaction counts exceeding 5 million. After reaching a peak of $2.6 million, its open interest currently stands at $1 million.