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The Advisory Brief
Investment Underwriting & Analysis Subscriber issue

CRE Underwriting in 2026: 5 Rate-Scenario Frameworks Institutional Investors Must Model

October 21, 2026 9 min readBy Rashad Siam
Chicago skyline aerial view at dusk with financial district office towers

With the 10-year Treasury above 5% and $208 billion in distressed CRE loan maturities pressing through 2026, underwriting assumptions have never mattered more. This deep-dive presents five rate-scenario frameworks institutional investors must model before committing capital in today's market.

CRE underwriting in today's rate environment demands a level of scenario discipline that most investment committees had not needed for a decade. With the 10-year U.S. Treasury oscillating in the 4.6–5.3% band and conventional multifamily debt costs sitting near 6.2% as of Q4 2026, the spread between entry cap rates and financing costs has compressed to levels that leave virtually no margin for optimistic assumptions. Institutional investors — PE firms, family offices, and REIT allocators alike — who model a single interest-rate path risk mispricing deals by hundreds of basis points on exit. This analysis presents five rate-scenario frameworks that rigorous underwriting models must incorporate before capital is committed.

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