Broadcom's credit default swaps (CDS) reached an unprecedented 122 basis points this week, indicating that credit markets are beginning to perceive the company's aggressive strategy in custom AI silicon as a notable risk rather than solely a growth opportunity. This surge in CDS, which represents the cost of insuring Broadcom's debt against default, signals market apprehension, especially given the company's investment-grade profile and strong cash flow. This increase is primarily attributed to a substantial off-balance-sheet financing arrangement designed to fund AI accelerator commitments, which, despite not appearing directly on the balance sheet, still exposes Broadcom to significant financial obligations.

The financing in question aims to support Broadcom's expansion in AI accelerators by allowing institutional investors to fund the purchase of compute racks that are then leased to AI labs, including Anthropic. Broadcom guarantees a portion of the senior debt tranche within these arrangements, providing a structured backstop to help secure favorable credit ratings. The total debt under discussion for the latest deal could range from $60 billion to $100 billion, with a junior tranche potentially around $30 billion and a senior-secured tranche between $60 billion and $70 billion. This model effectively makes Broadcom's balance sheet a critical mechanism for financing speculative AI infrastructure.

Bank of America previously downgraded Broadcom, estimating that the company's residual-value-guarantee exposure from these AI financing platforms could reach approximately $370 billion by the end of the decade. This projection, which caused a roughly 6% drop in Broadcom's stock at the time, highlights the contingent exposure Broadcom accumulates. The market's reaction to the widening credit spread, while the stock remained strong for much of the past year, underscores the tension between innovation-driven growth and real financial risk. Investors are now awaiting clarity from Broadcom's management regarding the structure and servicing of these off-balance-sheet obligations, as well as strategies for client diversification, to potentially alleviate credit market concerns.