Elon Musk recently warned that more than 200 AI-focused cloud providers could face “guppy-level death and consolidation” as debt financing becomes harder to obtain. As always, Mr. Musk is being dramatic, but the underlying question remains: can an industry that needs huge amounts of capital keep expanding at elevated costs?
With inflation proving stubborn, the Fed’s shift toward tighter monetary policy and the artificial intelligence buildout appear set to collide. As a result, investors are beginning to distinguish between businesses that can fund growth internally from those that must repeatedly turn to lenders.
That stress is showing up in credit markets. Option-adjusted spreads (OAS), or the additional yield investors demand over comparable Treasuries after adjusting for bond options, have risen sharply among CCC-rated borrowers since mid-2026. Typically, such widening has appeared around periods of economic weakness, but there have been several false signals as well as in 2023 when the regional banking crisis caused a spike in credit markets before fading as policymakers reacted.
The silver lining, thus far, is that the damage is far from uniform. While the weakest credits are under pressure, broader high-yield spreads remain much more contained, even after some widening among stronger speculative-grade borrowers.
Figure 1. Option-Adjusted Credit Spreads (CCC-Rated vs. B-Rated, %)
Sources: Bloomberg L.P., National Bureau of Economic Research, and Potomac. Note 1: CCC- and B-rated bonds are both speculative grade bonds, but CCC-rated are very high credit risk while B-rated are speculative, but generally less vulnerable. Note 2: Shaded regions denote periods of U.S. recession.
Neocloud Stocks are Flashing Red
So far, the sharp widening in CCC-rated spreads appears concentrated in highly leveraged borrowers, particularly telecommunications companies such as Altice. But financing pressure is also emerging in AI infrastructure.
This is where Mr. Musk’s guppies come in. A neocloud buys specialized AI chips, builds or leases data-center capacity, and rents computing power to customers. Unlike the diversified technology giants, many neoclouds face enormous upfront costs and depend on external financing before those investments pay off.
CoreWeave is an excellent example. While their senior unsecured debt remains rated single-B, rather than CCC, its rising credit-default-swap (CDS) spread offers a clear sign of financing concern. For those unfamiliar, the CDS spread is essentially the cost of protection against a credit event or bankruptcy.
This marks an extreme pivot for the space with our equal-weighted basket of eight publicly traded AI-infrastructure businesses now virtually flat for the year after having been up 124% through June 18th. Interestingly, that peak came just one day after the Fed raised its inflation forecasts and indicated a more restrictive outlook and bond yields started to surge. Probably not a coincidence.
Figure 2. Equal-Weighted Neocloud Basket vs. CoreWeave’s Credit Default Swap
Sources: Bloomberg L.P. and Potomac. Data as of October 26, 2026. Note: The neocloud basket consists of CoreWeave, Nebius, IREN, Applied Digital, Hut 8, Core Scientific, Cipher Mining, and TeraWulf and is rebalanced monthly.
Credit Distress is Highly Concentrated
Importantly, most corporate bonds are not pricing a crisis. The spread between CCC-rated and single-B credits stood at 804 basis points on October 26th, while overall high-yield (HY) OAS was just 328 basis points. Compared to December 2000, November 2008, and March 2020 when broad high-yield spreads were 849, 1,833 and 880 basis points, respectively, this does not yet scream crisis or recession.
While today’s situation may look unusual, some of the disconnect may be explained by Altice, which is undergoing a major debt restructuring. According to MacKay Shields, excluding Altice USA and Altice International would reduce the spread on its ICE BofA CCC segment by about 200 basis points as of September 30. Although this adjustment cannot be applied directly to the Bloomberg index we are using, it suggests that a handful of distressed credits may be exaggerating the broader deterioration of lower-quality credit. This may explain why today's extreme credit-quality gap looks alarming, but we have yet to see broad deterioration.
Figure 3. Credit Stress Remains Concentrated Among the Weakest Borrowers
Source: Bloomberg L.P. and Potomac. Data as of October 26, 2026. Note 1: The selected observations are meant as an illustrative example, not an exhaustive list. Note 2: CCC-minus-B represents the difference between CCC-rated and single-B option-adjusted spreads; broad high-yield OAS measures overall speculative-grade credit spreads.
When Credit Looks Like This, What Happens to Stocks?
To gauge the equity-market implications, we selected the first available date when CCC-minus-B reached at least 500 basis points while broad high-yield OAS remained at or below 450 basis points, allowing only one signal every 12 months. The table reports the subsequent six-month total returns and worst daily peak-to-trough drawdowns. While there is no exact historical match, it gives us a reasonable guide map.
Figure 4. Select Historical Credit Spreads and Subsequent Market Performance
Sources: Standard & Poor’s, Goldman Sachs, Solactive, Bloomberg L.P., and Potomac. Note 1: “Unprofitable Tech” is Goldman Sachs Non-Profitable Tech Basket, which is a broader universe than just neocloud stocks. Note 2: Past performance is not indicative of future results. Indexes are unmanaged and cannot be invested in directly. Index returns do not reflect management fees, transaction costs or other expenses, which would reduce actual investment returns. Historical performance is provided for illustrative purposes only and should not be considered a forecast of future results. Maximum drawdowns represent the largest daily peak-to-trough declines within the specified periods.
During the select five historical comparisons, the S&P 500 gained an average of 9.7% over the following six months but also experienced an average maximum drawdown of 9.0%. Compare that to non-profitable technology. Although the time series does not date back as far, across the three comparisons, those stocks were nearly flat six months later and experienced an average drawdown of 27.1%. In fact, two of the three episodes saw unprofitable technology stocks suffer drawdowns exceeding 30%, even as the broader market proved considerably more resilient.
In these comparisons, the real victim was indeed the guppies with broad market resilience masking considerable damage in financing-sensitive stocks.
One Thing to Watch: Broad High-Yield Spreads
If there is one indicator that could signal whether today's concentrated credit stress is becoming something more widespread, it is broad high-yield OAS. At just 328 basis points, spreads remain well below levels historically associated with credit crises. A sustained move toward 450 to 500 basis points, particularly alongside widening among B- and BB-rated borrowers, would suggest that financing pressures are no longer confined to the weakest credits. For now, that warning light is still relatively dim.
Bottom Line
The AI buildout is colliding with the cost of capital. Neocloud stocks are already feeling the squeeze, while broader credit markets have so far proven more resilient. The concern is that financing pressure eventually spills beyond the weakest borrowers and begins to constrain the AI investment boom itself.
Just as guppies need water to survive, companies need access to credit. If that financing dries up, some of the smaller fish may not survive. But the real danger for investors isn't a few guppies going belly-up. It's the water starting to drain from the entire tank. For now, however, there appears to be plenty of water left, and the big fish are still swimming along just fine.
