The AI revolution is being financed through massive bond issuance by tech giants. This debt fuels CapEx, which becomes top-line revenue for other companies. The cycle could be extended if this debt is integrated into passive high-yield indices, attracting more capital.

The massive capital required for AI infrastructure is pushing tech to adopt debt financing models historically seen in capital-intensive sectors like oil and gas. This marks a major shift from tech's traditional equity-focused, capex-light approach, where value was derived from software, not physical assets.

Unlike prior tech revolutions funded mainly by equity, the AI infrastructure build-out is increasingly reliant on debt. This blurs the line between speculative growth capital (equity) and financing for predictable cash flows (debt), magnifying potential losses and increasing systemic failure risk if the AI boom falters.

Unlike equities, credit markets face a growing risk from the AI boom. As companies increasingly use debt instead of cash to finance AI and data center expansion, the rising supply of corporate bonds could pressure credit spreads to widen, even in a strong economy, echoing dynamics from the late 1990s tech bubble.

The key signal for an AI bubble isn't just stock market commentary. It's the transition of data center buildouts from being funded by free cash flow to being funded by debt, particularly from private credit firms. This massive, less-visible market is the real stress test for AI's financial stability.

The AI infrastructure boom has moved beyond being funded by the free cash flow of tech giants. Now, cash-flow negative companies are taking on leverage to invest. This signals a more existential, high-stakes phase where perceived future returns justify massive upfront bets, increasing competitive intensity.

The enormous capital needed for AI data centers is forcing a shift in tech financing. The appearance of credit default swaps on Oracle debt signals the re-emergence of large-scale debt and leverage, a departure from the equity and free-cash-flow models that have characterized the industry for two decades.

Tech giants are no longer funding AI capital expenditures solely with their massive free cash flow. They are increasingly turning to debt issuance, which fundamentally alters their risk profile. This introduces default risk and requires a repricing of their credit spreads and equity valuations.

Unlike the dot-com bubble's weak issuers, the current AI debt boom is driven by investment-grade giants. However, the risk is that these stable companies are using debt to finance speculative, 'equity-like' technology ventures, a concerning trend for credit investors.