Nasdaq(US:NDAQ) Xin Lang Cai Jing·2025-12-15 21:58Core Viewpoint - Nasdaq plans to submit a proposal to the SEC to introduce an all-day trading mechanism, extending trading hours from 16 hours to 23 hours per day, five days a week [1] Group 1: Trading Hours Expansion - Nasdaq intends to expand trading hours to five days a week, 23 hours a day [1] - The new trading schedule will consist of two trading sessions: a daytime session from 4 AM to 8 PM and a night session from 9 PM to 4 AM [1] - The daytime session will maintain the current pre-market, regular, and after-hours trading arrangements, with the market opening at 9:30 AM and closing at 4 PM [1] Group 2: Trading Week Adjustment - The trading week will be adjusted to start at 9 PM on Sunday and end at 8 PM on Friday [1] - Trades executed during the night session from 9 PM to midnight will be counted towards the next trading day [1]