AI infrastructure boom spills over into banking: Wall Street's six largest banks may issue $41 billion in bonds in the fourth quarter.

Title context: AI infrastructure boom spills over into banking: Wall Street's six largest banks may issue $41 billion in bonds in the fourth quarter. Text: As AI infrastructure construction continues to drive growing financing demand, Wall Street's large banks are preparing to extend a months-long bond issuance boom. Barclays expects the six largest U.S. banks to raise about $41 billion through the bond market in the fourth quarter, 30% higher than the average issuance size for the fourth quarter since 2015, reflecting that the AI investment boom is not only driving tech companies to raise large amounts of financing, but also boosting banks' own funding needs. Barclays analysts Peter Troisi and Ishika Goyal noted in an October 1 report that the six largest U.S. banks issued $50 billion in senior bonds in the third quarter, more than double the level a year earlier. As AI-related financing activity remains active, banks are expected to continue actively entering the bond market in the fourth quarter. The analysts said banks are increasing bond issuance, on the one hand, to meet the enormous financing needs required for AI infrastructure construction, and on the other hand, to support trading and capital markets activity driven by the AI investment boom. Currently, tech giants including SpaceX (SPCX.US) and Oracle Corporation (ORCL.US) are investing hundreds of billions of dollars to expand AI infrastructure. As large tech companies continue to increase capital expenditures, banks not only need to provide financing for related projects, but also support the resulting lending, securities trading, and other capital markets businesses, further pushing up their own funding needs. Barclays pointed out that despite the notable increase in bank bond supply, the market has so far absorbed new issuance relatively well, and yield spreads on bank bonds relative to benchmark rates have remained stable. This means banks still have relatively favorable financing conditions, giving them incentive to continue raising funds and seize AI-related business opportunities. Barclays expects all six largest U.S. banks may return to the bond market in the fourth quarter. The analysts said sufficient financing capacity is crucial for banks to seize growth opportunities brought by AI-related business. However, delays in some tech companies' initial public offering (IPO) plans could also limit banks' bond issuance demand to some extent. On a full-year basis, Wall Street's large banks have already significantly exceeded last year's financing scale. Barclays data show that the six largest U.S. banks have raised a cumulative $192 billion in global bond markets so far this year, up about 40% year over year, and full-year financing is expected to reach $233 billion. For the entire Bank of America Corp industry, Barclays currently expects total senior bond issuance in 2026 to reach $294 billion, about 25% higher than its initial forecast and also significantly above 2025's $240 billion. Banks typically choose to enter the bond market for financing after announcing quarterly results. As the earnings season for large U.S. banks is about to begin, a new wave of bond issuance may arrive soon. According to earnings schedules, Wells Fargo & Company (WFC.US), JPMorgan Chase (JPM.US), Goldman Sachs Group, Inc. (GS.US), and Citigroup (C.US) will report results on October 13, while Morgan Stanley (MS.US) and Bank of America Corp (BAC.US) will release earnings on October 14. Bloomberg Intelligence analyst Arnold Kakuda believes that among the six largest banks, Goldman Sachs Group, Inc. and Morgan Stanley, which have led in bond issuance so far this year, may become the most active financing institutions after next week's earnings releases. However, not all institutions believe the six largest banks will concentrate bond issuance after earnings. JPMorgan strategists including Kabir Caprihan said in a Tuesday report that they expect Bank of America Corp industry bond issuance in October to be about $24 billion. JPMorgan noted that Wells Fargo & Company and Citigroup already issued a combined $18 billion in bonds last month outside the regular post-earnings financing window, so it does not expect these two banks to raise funds on a large scale again after this round of earnings announcements. The bank also believes Bank of America Corp may temporarily stay out of the bond market, so new supply in October is expected to come mainly from Morgan Stanley and Goldman Sachs Group, Inc. At the same time, large-scale bank bond issuance still faces certain constraints. Recently, U.S. benchmark borrowing costs have risen notably, which may reduce banks' willingness to further increase debt. Although large banks are usually good at timing financing, if rates remain elevated, their new financing costs will also increase accordingly. More notably, as the scale of AI infrastructure investment continues to expand, market concerns about the debt burden of large tech companies have also begun to heat up. Some investors worry that tech giants' continued reliance on borrowing to support high capital expenditures may increase future debt repayment pressure and pose risks to related credit markets.