Is the stock market open on Labor Day? Does the post office deliver mail?

On Monday, Sept. 7, the U.S. observes Labor Day, a federal holiday. As a result, the New York Stock Exchange and the Nasdaq will be closed for regular trading. Investors will not be able to execute standard stock trades during normal market hours, and the bond market, including U.S. Treasuries, will also be shuttered. Other services will pause as well: The U.S. Postal Service will not deliver mail, and most banks and government offices are closed.

For market participants, the holiday provides a natural break to assess recent economic data and portfolio positioning without the pressure of real-time price action. That said, global developments and news released over the weekend can still shape sentiment through futures markets, which typically reopen Sunday evening before regular trading resumes Tuesday, Sept. 8.

The key takeaway for investors is understanding how market holidays affect liquidity and transaction timing. When trading resumes, volumes may be heavier as participants adjust to any fresh information. Keeping a calendar of official market holidays helps investors avoid unnecessary surprises, whether they are planning stock trades, bond purchases, or simply expecting mail delivery.