
The AI Economy: Built on Chips, Credit & Risk
- DOMINIC SOMMERVILLE
- Dec 1, 2025
- 2 min read
The modern AI industry has become a tightly connected financial-infrastructure system dominated by Nvidia, Microsoft, OpenAI, Oracle, AMD, Intel, and CoreWeave, with Nvidia at the center as both the primary chip supplier and now a capital provider. Microsoft owns roughly the high-20% range of OpenAI after investing more than $13B, while OpenAI has diversified its cloud partners by signing a $300B multiyear compute contract with Oracle and a $11.9B capacity agreement with CoreWeave, including a $350M equity stake. Nvidia has escalated involvement by agreeing to invest up to $100B in OpenAI tied to GPU deployment milestones, owning roughly 6% of CoreWeave, guaranteeing to absorb unused CoreWeave capacity, and acquiring a strategic stake in Intel. AMD competes by subsidizing adoption through equity economics, granting OpenAI options to buy up to 160M AMD shares alongside a 6-gigawatt GPU commitment. These arrangements convert compute supply into ownership, locking the ecosystem together financially and operationally rather than just technologically.

On the balance-sheet side, AI expansion is being funded with large-scale corporate debt, equipment financing, and asset-backed loans secured directly by GPUs and datacenter infrastructure. Oracle, Microsoft, Amazon, Google, Meta, and Nvidia are issuing tens of billions annually in corporate bonds to fund AI infrastructure, while CoreWeave has become one of the most levered firms in the sector through GPU-backed loans and long-dated revenue contracts. Credit default swaps on Oracle, Intel, AMD, and Nvidia increasingly trade as proxies for AI growth expectations. GPU fleets themselves are now treated as depreciable collateral with resale value floors, meaning declines in AI demand would directly pressure loan recovery values, tighten credit conditions, and force renegotiations of capacity contracts.
In market terms, the publicly traded AI-hardware-plus-cloud complex now exceeds $12 trillion in combined market value, representing roughly 18–22% of the S&P 500 and close to one-third of the NASDAQ 100 by weight, making AI the single largest concentration of capital in financial history. Nvidia alone approaches $4.7 trillion, Microsoft roughly $3.5–4 trillion, and Oracle, AMD, Intel, Amazon, and Meta together add several trillion more. This concentration means any major repricing of AI revenue assumptions would translate directly into index-level losses, impacting retirement accounts, passive funds, and general financial conditions.

A downside scenario would propagate through three main channels: equity de-rating, credit tightening, and capex contraction. If AI spending slows or demand disappoints, Nvidia’s valuation and earnings outlook would compress, hyperscalers would reduce datacenter buildouts, CoreWeave-style leveraged operators would face refinancing risk, and venture-backed model providers could be forced into down-rounds or consolidation. Declining equity values would hit consumer confidence via the wealth effect, while higher debt costs would force companies to protect balance sheets by cutting investment. Energy and infrastructure investments tied to AI campuses would become underutilized, and regions dependent on datacenter construction could see economic slowdowns.
This would resemble the dot-com bust more than the 2008 crisis: capital-intensive overbuilding followed by write-downs and consolidation, not a banking collapse. However, the scale is much larger and more embedded in national infrastructure and industrial policy. The AI economy is now a financial ecosystem where chips, sovereign policy, debt markets, power grids, and equity valuations are linked. A bubble pop would not just reset valuations — it would reshape capital flows, infrastructure planning, and corporate strategy across the global economy for years.



