What’s open and closed on MLK Day 2026? Banks, stock markets, parks, Walmart, Costco holiday hours

Today is a federal holiday that commemorates the legacy of civil rights leader Martin Luther King Jr. Here’s what services will be operational. To an outside observer (honestly even to the average American), the jurisdiction of the United States government appears convoluted—it’s a collection of states with one set of rules that can be overturned by the larger federal government.