The U.S. debt ceiling crisis could arrive as early as February next year; Wall Street warns the government may face default risk as early as August.

Wall Street strategists warn that the U.S. government could hit its statutory debt ceiling as early as February 2027, significantly earlier than previously expected, as the Treasury raises its borrowing projections and plans to maintain record cash reserves. At that point, the Treasury will have to resort to extraordinary accounting measures to avoid breaching the borrowing limit. And if Congress is slow to reach an agreement on raising or suspending the debt ceiling, the U.S. government could face the risk of running out of funds in the second half of 2027. Strategists at Bank of America, Barclays and Morgan Stanley all expect the Treasury could hit the debt ceiling in mid-to-late February next year. Bank of America had previously expected that point to come around May. The revised forecast stems mainly from the Treasury's newly released financing needs and cash balance targets. U.S. government debt is now less than US$800 billion away from the statutory ceiling of US$41.1 trillion. According to the Treasury's financing projections published last week, the U.S. government is expected to borrow a net US$800 billion in the first quarter of 2027the January-to-March periodroughly equivalent to the remaining debt headroom. At the same time, the Treasury expects its cash balance to reach US$1 trillion by the end of March 2027, a record high for a quarter-end cash reserve target. Strategists believe the higher cash balance target may reflect the U.S. government's growing reliance on short-term Treasury bills to finance spending and deficits. Because Treasury bills require principal repayment more frequently, the Treasury typically needs to hold a larger cash buffer to cope with sizable intra-month outflows. However, maintaining a higher cash balance also means borrowing more in advance, which would consume the remaining debt-ceiling headroom more quickly. Debt ceiling may be hit in February; government funds expected to run out between August and November It is worth noting that hitting the debt ceiling does not mean the U.S. government will default immediately. If Congress fails to raise or suspend the debt ceiling in time, the Treasury can still use "extraordinary measures" to temporarily free up additional borrowing room to continue meeting the government's payment obligations. Wall Street strategists estimate that such measures could provide the Treasury with roughly US$300 billion to US$350 billion in additional funding room, thereby delaying the point at which the government actually runs out of money. Institutions including SMBC Nikko Securities America expect the U.S. government could face the so-called "X-date" between August and November 2027. The "X-date" is the point at which the Treasury, having exhausted its cash reserves and the funds available through extraordinary measures, can no longer meet all of its financial payment obligations on time. At that point, if Congress still has not acted, the U.S. government will face the risk of being unable to pay some of its debt or other obligations on time. However, this time window remains highly uncertain, depending on future fiscal revenue, government spending, borrowing needs and congressional policy action. Democrats control Congress, debt ceiling negotiations may be more complicated Political factors could further increase the uncertainty surrounding this debt ceiling episode. With Democrats winning control of Congress in the U.S. midterm elections, the market has begun to worry that a Democrat-led Congress could become locked in a prolonged standoff with the Trump administration over federal borrowing. Fitch Ratings warned last month that if Democrats win full control of Congress, the likelihood of a political stalemate in U.S. debt ceiling negotiations would rise. However, Fitch noted that if the outgoing Republican-led Congress can raise or suspend the debt ceiling before its term ends at the end of this year, that risk would be reduced. This means that whether Congress can make progress on the debt ceiling in the coming weeks will be an important variable affecting the fiscal financing environment in 2027. Debt ceiling standoff could disrupt U.S. short-term funding markets Beyond the potential risk of government default, the debt ceiling issue could also have a marked impact on the U.S. Treasury market and liquidity in the financial system. Historical experience shows that when the U.S. government approaches the debt ceiling, the Treasury typically begins drawing down its cash reserves and reducing Treasury bill issuance. This process temporarily releases liquidity into the banking system, increases bank reserves and puts downward pressure on overnight funding rates. However, once the debt ceiling issue is resolved, the Treasury typically needs to rapidly increase Treasury bill issuance to rebuild the cash reserves it depleted. Large-scale bill issuance in turn drains liquidity from the financial system, reduces bank reserves and pushes up short-term funding costs. Therefore, even if the debt ceiling dispute is ultimately resolved, the liquidity swings before and after it could still cause significant volatility in U.S. money markets. If debt ceiling negotiations remain deadlocked for a prolonged period next year, some maturities of U.S. Treasuries could also face additional selling pressure. In past debt ceiling crises, investors typically avoided Treasury bills maturing near the expected "X-date" and instead bought securities maturing before or after that date. Such trading behavior could cause yields on some bill maturities to rise abnormally, significantly distorting the short-term Treasury yield curve. However, the U.S. Treasury bill yield curve has not yet shown obvious signs of concern, reflecting investors' view that there are still several months before the debt ceiling truly poses a threat. In addition, if the debt ceiling dispute remains unresolved for a long time, the Treasury may have to continue relying on short-term borrowing to meet overall financing needs and delay plans originally scheduled for later next year to increase medium- and long-term Treasury issuance. Barclays strategist Samuel Earl said in a note to clients on Friday: "Given the debt ceiling's potentially significant impact on money markets next year, we will closely monitor the progress of relevant congressional legislative procedures in the coming weeks." Overall, the U.S. debt ceiling issue could become a market focus earlier than Wall Street previously expected. Although the Treasury is still expected to be able to delay the point of running out of funds until the second half of 2027 through extraordinary measures, intensifying partisan political divisions could keep uncertainty over debt ceiling negotiations weighing on U.S. Treasury issuance, short-term funding rates and financial market liquidity. For investors, February 2027 could be an important milestone when debt ceiling risk begins to emerge, while the potential "X-date" window from August to November will be the key period for gauging the U.S. government's fiscal payment risk.