This prediction market asks whether the United States federal government will default on its sovereign debt between November 5, 2025, and December 31, 2026. A default would mean the Treasury fails to make a scheduled payment on a Treasury note, bond, or bill, or that a major credit rating agency (Standard & Poor’s, Moody’s, or Fitch) publicly classifies any U.S. sovereign debt as in default during that period. The U.S. has never defaulted on its debt in the modern sense, though it has come close several times, most notably in 2011, 2013, and 2023. The debt ceiling, a statutory limit on total federal borrowing, has been raised or suspended over 100 times since its creation in 1917. The current debt ceiling was suspended under the Fiscal Responsibility Act of 2023, which suspended the limit until January 1, 2025. After that date, the Treasury will need to use extraordinary measures to avoid default, and a new debt ceiling will be set based on the debt level at that time. The Treasury Department’s cash balance, currently around $700 billion as of late 2024, provides a buffer, but the timing of tax receipts and spending obligations creates periodic risk. The Congressional Budget Office projects that the federal deficit will be about $1.5 trillion in fiscal year 2025, adding to the $33 trillion national debt. Political gridlock over spending, taxes, and the debt ceiling has become a recurring feature of U.S. fiscal policy. The 2023 debt ceiling standoff ended with a bipartisan deal in June 2023, but only after months of negotiations and the Treasury using extraordinary measures from January to June. The 2024 election results will shape the political dynamics of the next debt ceiling fight. If the same party controls the White House and both chambers of Congress, raising the debt ceiling might be easier. If control is divided, the risk of brinkmanship increases. The market’s resolution period covers nearly 14 months, giving ample time for a default event if one occurs. The specific definition of default in this market includes both a missed payment and a credit rating agency’s explicit default classification. This is important because even a technical default, such as a delay in payment resolved within a few days, could trigger a “Yes” resolution if a rating agency calls it a default. The U.S. Treasury market is the largest and most liquid in the world, with over $26 trillion in marketable debt outstanding. A default could trigger a global financial crisis, as Treasury securities are used as collateral in trillions of dollars of financial transactions. The U.S. dollar’s status as the world’s primary reserve currency depends on the full faith and credit of the U.S. government. A default would damage that status and could lead to higher borrowing costs for the government, businesses, and households for years.

Historical Context

The United States has never defaulted on its debt in the modern era, but it has come close multiple times. In 2011, a standoff between President Obama and House Republicans over the debt ceiling led Standard & Poor's to downgrade the U.S. credit rating from AAA to AA+ for the first time in history. The downgrade came after the Budget Control Act of 2011 raised the debt ceiling but only after the Treasury reached its borrowing limit and used extraordinary measures for several months. The S&P 500 fell 6% in the week after the downgrade. In 2013, another debt ceiling crisis ended with a 16-day government shutdown and a last-minute deal to suspend the debt ceiling. The Treasury used extraordinary measures from May to October 2013. In 2023, the Fiscal Responsibility Act suspended the debt ceiling through January 1, 2025, after the Treasury used extraordinary measures from January to June. The deal included spending caps and work requirements for some benefit programs. The debt ceiling itself dates to 1917, when Congress set a limit on total federal debt to simplify borrowing during World War I. Before 1917, Congress authorized each bond issue separately. The limit has been raised or suspended 103 times since 1940. The modern pattern of brinkmanship began in the 1990s and escalated after the 2010 midterm elections. The Treasury Department has developed a set of extraordinary measures, such as suspending investments in government employee retirement funds, to create headroom when the debt ceiling binds. These measures can buy weeks or months of time, but they are not a permanent solution. The date when the Treasury will exhaust these measures is called the X-date. The Congressional Budget Office and the Bipartisan Policy Center estimate the X-date each year. In 2023, the X-date was estimated to be early June, and the deal was reached on June 3. The historical pattern suggests that the X-date after the debt ceiling returns on January 1, 2025, will likely fall in the second half of 2025, depending on tax receipts and spending. The 2024 election results will determine whether the next debt ceiling fight is between a president and a Congress controlled by the opposite party, or within the same party.