Nasdaq has reached a final agreement to buy the remaining stake in Level Markets, the United States’ third-largest alternative trading system operator. Fintech Futures reported the acquisition is part of Nasdaq’s strategy to build always-on global market infrastructure. The closing date and purchase price were not disclosed. Level Markets runs an anonymous dark pool for institutional block trades. Nasdaq has also sought to extend trading hours for NMS stocks and ETPs to 23 hours a day, with implementation planned for early in the third quarter of 2026.