Are you planning to trade on Martin Luther King Jr. Day (MLK Day) and wondering whether the US stock market is open? You're not alone. Many investors have the same question every year. In this article, we'll explore the status of the US stock market on MLK Day and provide some insights into trading during this holiday.
Understanding MLK Day
Firstly, let's clarify what MLK Day is. It is a federal holiday in the United States, observed on the third Monday of January each year. It commemorates the birthday of Martin Luther King Jr., an influential civil rights leader who fought for equality and justice in the 1960s.
Is the US Stock Market Open on MLK Day?
The answer is yes, the US stock market is typically open on MLK Day. The New York Stock Exchange (NYSE) and the NASDAQ, the two major stock exchanges in the United States, remain open on this holiday. However, there are some exceptions, and it's essential to stay updated with the latest information.
Trading Hours on MLK Day
On MLK Day, the trading hours for the US stock market are slightly different from regular trading days. The NYSE and NASDAQ open at 9:30 AM Eastern Time (ET) and close at 4:00 PM ET. This is the same as a regular trading day, but the market operates for a shorter duration.
Pre-market and After-hours Trading
It's worth noting that pre-market and after-hours trading are available on MLK Day. This means that investors can trade before the market opens at 9:30 AM ET and after the market closes at 4:00 PM ET. Pre-market trading typically starts at 4:00 AM ET, while after-hours trading usually ends at 8:00 PM ET.
Impact of MLK Day on Stock Market Activity

MLK Day can have a significant impact on stock market activity. While the market remains open, trading volumes may be lower compared to regular trading days. This is because many investors and traders may be on vacation or have reduced trading hours.
Case Study: MLK Day 2020
In 2020, the US stock market experienced a historic rally on MLK Day. The S&P 500 index surged by more than 6% on that day, driven by optimism about the economy and the potential for further stimulus measures. This demonstrates that, despite the holiday, significant market movements can still occur.
Conclusion
In conclusion, the US stock market is typically open on MLK Day, with slightly adjusted trading hours. While trading volumes may be lower, investors can still participate in pre-market and after-hours trading. It's essential to stay informed about any potential changes to the trading schedule and to keep an eye on market trends during this holiday.
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