The AI data center buildout is one of the largest infrastructure pushes in US history, and a growing share of it is borrowed. This page tracks whether that spending is paying off or starting to strain.

Where things stand. Demand is getting stronger, not weaker. In the third quarter Google Cloud revenue doubled, Azure grew 48% and AWS 39%, all faster than before. The cost is showing up in cash and credit. Alphabet and Meta burned cash in the quarter, S&P put Meta's rating on negative outlook, and data center bonds are widening while other property bonds hold steady. Oracle's Oct 28 funding plan lifted its stock but not its credit, with default insurance still near a record. Top-rated borrowers like Microsoft still raise money cheaply, so the strain sits with weaker, debt-dependent builders and their lenders.

How to read this. Credit stress asks whether lenders are getting nervous. Demand strength asks whether real customers and real cash are keeping up. Each signal below is marked green, amber or red, and the direction it is moving matters more than any single number.

The core idea. Rising interest rates squeeze heavily indebted AI builders the way rising mortgage rates squeeze homeowners who have to refinance. The companies that must keep borrowing to keep building feel it first.

RATES & BORROWING COSTS

Metric	Latest reading	Status	What it means
Fed funds rate	3.75–4.00%, held Oct 28	Holding, hike risk	Two officials voted for another hike, and futures price about a 76% chance of one in December. Floating-rate AI loans keep paying this higher cost.
10-year Treasury yield	4.94% (Oct 30)	Easing, still high	Down from a 5.31% peak on Oct 5, but still above early September. Every AI bond is priced off this rate.
30-year Treasury yield	5.31% (Oct 30)	Easing, still high	Down from 5.67% on Oct 7, a 24-year high. Long-lived data centers are financed with long debt, so this rate matters most.

Sources: Federal Reserve target range (FRED), FOMC statement and vote via InvestingLive, CME futures pricing via CNBC, summarized by The Morning Brief, US Treasury daily yield curve

CREDIT INSURANCE (credit default swaps)

Metric	Latest reading	Status	What it means
Nvidia 5yr CDS spread	~101 bps, record (last reported Oct)	Record, hedge-driven	Up from about 40 bps in July. JPMorgan reads levels like this for cash-rich AI leaders as investors hedging their AI exposure, not as default risk.
Oracle 5yr CDS spread	~304 bps (Oct 30)	Elevated	Near its 308 bps record and double January's level. The Oct 28 funding plan lifted the stock 11% but barely moved this price.
Nvidia vs. Alphabet CDS	NVDA ~101 vs GOOGL ~82 bps, Meta record 114.5 bps (Oct 22)	Watch	Nvidia costs more to insure than Alphabet despite its cash. Meta hit a record after negative cash flow, and S&P moved its outlook to negative on Oct 30.

Sources: Financial Times (Nvidia), JPMorgan via CoinDesk, S&P Global Market Intelligence via Motley Fool (Oracle, Alphabet), FactSet and ICE Data via Forbes (Oracle record), Markit via Reuters (Meta), S&P Global via Reuters

AI BORROWERS, THE RATE SQUEEZE (sector-wide)

Metric	Latest reading	Status	What it means
AI issuer spread vs. broad market	Junk AI 360 bps (Oct 14) vs all junk 326 bps (Oct 29)	Widening	Goldman Sachs found AI junk debt hit a record spread while other junk barely moved, so the market is singling out AI risk. High-grade spreads have also widened, from 78 to 89 bps since September.
New-deal pricing drift	Microsoft $25B AAA at ~64 bps (Oct 29), weaker deals repriced or pulled	Rising for weaker names	Strong borrowers still borrow cheaply. Weaker ones pay more or get turned away, as with the repriced $5B Volta loan and the pulled Firmus and Solidigm listings in October.
Big Tech bond issuance	~$218B through early Oct plus Microsoft's $25B	Heavy, still absorbed	More than double 2025's $107B, and Goldman expects about $420B in 2027. Meta now also plans to sell up to $97.5B of stock, which lowers its need to borrow.
Sub-investment-grade AI infrastructure debt	~$125B (last reported June), $37B junk DC bonds in 2026	Elevated	Nearly half of 2026 data center bonds are junk rated, four times the 2025 total. These are the adjustable-rate borrowers of the buildout.
Neocloud bonds vs. junk index	CoreWeave CDS ~1,040 bps, bonds ~14.9% (Oct 30)	Distressed	Down slightly from a 1,195 bps peak on Oct 15, but still implies about a 60% chance of default within five years. The junk index overall sits at 326 bps.
Data center bonds by tenant quality	AAA data center CMBS 182 bps, +21 bps in a week (Oct 23)	Widening	Data center mortgage bonds are widening while other property bonds hold steady, according to Trepp. Bonds tied to weaker tenants such as CoreWeave fall fastest, though all loans are still paying.
Weakest large credit	Oracle BBB−, one notch above junk	Elevated	OpenAI is behind about half of Oracle's $664B backlog, and OpenAI cut its own valuation target in October. Oracle's plan caps new funding at $20B and targets lower debt by fiscal 2029, but no rating agency has acted and the plan leans on vendor and customer financing.
Hidden debt (off-balance-sheet)	~$1.65T in commitments (estimate, July)	Elevated	Leases not yet started, separate funding vehicles and guarantees that sit off company books, per a Nikkei Asia review. S&P and the BIS have both warned there is more than can be seen. Anthropic's IPO filing shows roughly $430B to $441B of commitments by press estimates, payable whether used or not.
Projected AI debt through 2030	~$4.1T (JPMorgan)	Watch	S&P sees hyperscalers spending over $7T on AI from 2025 to 2030 and expects Meta alone to burn $71B of cash in 2027. Some buyers fund with equity instead, such as Anthropic with $131.7B in cash.

Sources: Goldman Sachs via Yahoo Finance, Goldman Sachs and ICE BofA via Reuters, ICE BofA investment-grade spread (FRED), ICE BofA high-yield spread (FRED), Microsoft SEC pricing term sheet via FourWeekMBA, Bloomberg via Briefs, TokenPost (issuance, data owner not named), Meta stock sale via Reuters, summarized by Tech Insider, FactSet and Barclays via Forbes, S&P Global Market Intelligence via Motley Fool (CoreWeave), Trepp via WREnews, Oracle Investor Day release, Oracle Q1 FY27 results via Crypto Briefing (backlog), S&P Global and Moody's via Computing, Bloomberg and FT via WinBuzzer (OpenAI), Nikkei Asia via Forbes, S&P Global via Reuters, Bank for International Settlements, S&P Global via Reuters (Meta), JPMorgan via Traders Union, Anthropic SEC S-1, Anthropic S-1 via Yahoo Finance

PRIVATE LENDERS (publicly traded lending funds)

Metric	Latest reading	Status	What it means
Blue Owl (OBDC) discount to NAV	~29% ($10.11 on Oct 9 vs $14.26 NAV)	Wide	Wider than its usual 22 to 25%. NAV and the dividend have both been cut, and Blue Owl capped withdrawals at two private funds in October. Third-quarter results are due Nov 4.
Software loan markdowns	81% of BDC software loans (mid-2026)	Elevated	Marked down across the industry, not at one fund. Several lenders, including FS KKR and Prospect Capital, cut dividends in 2026.
Blackstone Secured Lending (BXSL)	NAV $25.53 (June 30), four straight declines	Watch	Down from $27.33 a year earlier, with 3.6% of loans not paying interest. Milder than OBDC but moving the same way.

Sources: Blue Owl SEC filing, Blue Owl earnings date release, Blackstone Secured Lending Q2 earnings presentation, Basis Report (OBDC share price), Bloomberg, 24/7 Wall St., Angel Investors Network, citing Bloomberg

SPEND VS. REVENUE

Metric	Latest reading	Status	What it means
Big five capex, 2026	~$750B (S&P estimate)	Watch	Third-quarter capex set records at Alphabet and Microsoft. Alphabet expects a significant increase in 2027, so spending keeps climbing while borrowing costs stay high.
Cloud revenue growth (Q3)	Google Cloud +103%, Azure +48%, AWS +39%	Strong	All three sped up from the second quarter, and Google Cloud's profit tripled. This is the strongest evidence on the page against the bubble case.
Data center supplier orders	Vertiv orders +100%+, $4.1B prepaid (Q3)	Strong	Vertiv supplies power and cooling for AI data centers, so its orders track real construction. Customers paying in advance shows urgency, though orders measure spending, not returns.
Nvidia revenue (Q2 FY27)	$96.2B, +106% YoY	Strong	Chip demand is still doubling. The next report comes later in November.
Nvidia free cash flow	$21.3B, down from $48.6B	Deteriorating	Cash fell even as revenue rose, because receivables jumped to $63.1B as Nvidia gave customers longer to pay.
Nvidia vendor financing	$108.5B in guarantees	Elevated	Nvidia increasingly finances its own customers, including $3B into Meta's stock sale and reported talks to guarantee Nscale's borrowing. The October neocloud sell-off is the first real test of that model.
Hyperscaler free cash flow	Alphabet −$9.1B, Meta −$2.1B (Q3), Amazon −$42.4B (past 12 months)	Elevated	Spending now exceeds operating cash at three of the four biggest buyers, which is why they are tapping bond and stock markets. Microsoft is the exception at +$18.6B.
Google Cloud backlog	~$561B (Sept 30), up from $514B	Strong	Signed contracts, not projections, and Microsoft's backlog grew to $677B. The catch is that a handful of AI labs signed much of it.

Sources: S&P Global via MLQ, Alphabet Q3 earnings release, Alphabet SEC 10-Q, Company Q3 reports via Yahoo Finance, Company Q3 reports via Long Yield (AWS, Amazon cash flow, backlog), Vertiv investor relations, Vertiv results releases via StockTitan (prepayments), Nvidia SEC 10-Q, 24/7 Wall St., Protos, CNBC, Meta stock sale via Reuters, summarized by Tech Insider, Reuters citing The Information (Nscale), summarized by The Morning Brief

CHINA, THE MONETIZATION THREAT

Metric	Latest reading	Status	What it means
Chinese share of model downloads	~41% of Hugging Face downloads (last reported July)	Elevated	Ahead of US models. Developer adoption is what US labs need to monetize against.
Capability gap vs. US frontier	~6–8 months, narrowing	Watch	NIST, the US government's AI evaluation center, puts DeepSeek V4-Pro about 8 months behind.
Pricing behavior	Priced for adoption, not margin	Elevated	DeepSeek charges a small fraction of US prices, about $0.14 versus $5 per million input tokens for GPT-5.5. That pressures the pricing power the capex math depends on.
Chinese share of paid model usage	~46% of OpenRouter tokens at peak (mid-2026)	Elevated	Up from about 4.5% in early 2025 on this developer marketplace. It likely overstates use at large companies that buy directly from US labs.

Sources: Hugging Face data via EqualOcean, Sheppard Mullin, citing NIST, OpenRouter data via CNBC, summarized by Forkast, OpenRouter data via FourWeekMBA

ACCOUNTING TELLS

Metric	Latest reading	Status	What it means
GPU depreciation schedules	4yr → 5yr (Nebius, others)	Watch	Longer useful lives flatter current profit, while real GPU life may be closer to 3 years. Gartner sees over $3.5T of AI spending at risk of write-downs by 2030.
Nvidia days sales outstanding	45 → 60 days (Q2)	Elevated	Longer payment terms are a classic sign of a seller helping customers afford purchases. The next reading comes in November.

Sources: Yahoo Finance, Gartner via Forbes, 24/7 Wall St.

GLOSSARY

bps	Basis points. 100 bps equals 1%.
Spread	The extra interest a company pays above the US government rate. Wider means lenders see more risk.
Credit default swap (CDS)	Insurance against a company failing to repay its debt. A higher price means more worry.
Investment grade / junk	Credit ratings. Investment grade is considered safe, junk (high yield) is riskier and pays more.
Hyperscaler	The giant cloud companies building most AI data centers. Amazon, Microsoft, Alphabet, Meta and Oracle.
Neocloud	Newer companies that rent out AI computing power, usually funded heavily with debt.
BDC / NAV	A business development company is a listed fund that lends to private businesses. NAV is the stated value of its loans, and trading below it means investors doubt that value.
CMBS	Commercial mortgage-backed securities. Bonds repaid from the rent and loans on buildings such as data centers.
Off-balance-sheet	Commitments such as future lease payments or loan guarantees that do not appear as debt on the balance sheet.
Free cash flow	Cash left after running the business and paying for new equipment. The money that can actually repay debt.