The NASDAQ Stock Market Trading Sessions (Eastern Time) Pre-Market Trading Hours from 4:00 a.m. to 9:30 a.m. Market Hours from 9:30 a.m. to 4:00 p.m. After-Market Hours from 4:00 p.m. to 8:00 p.m. Quote and order-entry from 4:00 a.m. to 8:00 p.m. Quotes are open and firm from 4:00 a.m. to 8:00 p.m.