Data center-linked debt is confronting a fresh wave of pricing pressure. With AI-driven borrowing demand continuing to climb, spreads on data center assets within the floating-rate single-asset/single-borrower (SASB) commercial mortgage-backed securities (CMBS) market have widened, prompting JPMorgan Chase to adopt a more cautious stance toward related AAA-rated securities.
According to a Friday report from JPMorgan analysts Chong Sin and Terrell Bobb, the floating-rate SASB CMBS market remains "fairly stable" overall, yet spreads in the data center segment have expanded. They attribute this widening to mounting pressure from a surge in overall AI and data center-related debt supply, rather than an oversupply within data center SASB issuance itself.
For investors, this dynamic implies that assessing the technicals of data center CMBS requires factoring in financing activity across other markets for data centers and adjacent sectors. JPMorgan noted that given rising leverage levels this year, it has adopted a more selective approach to AAA-rated SASB data center securities.
Supply pressure originates elsewhere, SASB is not the culprit
Data from JPMorgan shows that year-to-date new issuance of data center SASB stands at just $4.9 billion, roughly 4% of total private-label issuance, well below the 7.1% share recorded last year. This indicates that primary market supply in CMBS data centers has not exerted significant strain.
The real source of pressure lies in the broader AI-related debt market. In the ABS (asset-backed securities) space, data center-related issuance has reached $11.6 billion, compared to a full-year total of $15.5 billion for 2025. The stark contrast in volume across different funding channels underscores the need for investors to form a holistic view of all financing forms when judging CMBS data center technicals.
Widening spreads: rising leverage triggers repricing
Despite manageable SASB supply, data center CMBS spreads have still widened alongside the broader AI borrowing wave. JPMorgan partially attributes this to higher overall leverage levels this year, leading the bank to become more selective in its allocation to AAA-rated SASB data center securities.
However, the bank is not broadly bearish on the asset class. The report notes that securities priced at 1-month Term SOFR plus 170 basis points still offer relatively attractive carry compared to AAA securities in core SASB sectors such as industrial or multifamily properties.
This signals that JPMorgan's stance on data center CMBS is one of "conditional participation" rather than outright avoidance, with the key being whether specific securities' pricing adequately compensates for current risk premiums.
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