Negative Debt Spread
A negative debt spread exists when the interest rate on a loan is higher than the property’s going-in cap rate. Each borrowed dollar then costs more in interest than the net operating income it buys, so adding debt lowers the first-year cash yield on equity compared with an all-equity purchase. The business plan has to close the gap through NOI growth or a later refinancing on better terms. The starting spread screens for that dependence and says nothing final about total return.
The spread test: going-in cap rate against the loan coupon
The test compares two annual rates. The going-in cap rate is one year of net operating income divided by purchase price. The coupon is the interest rate on the loan. When the coupon is higher, the spread is negative.
The mechanism is arithmetic on the marginal borrowed dollar. That dollar buys property that produces the cap rate in NOI and costs the coupon in interest. If the coupon is higher, the difference comes out of the equity holder’s first-year cash, and the equity yield falls below the all-equity yield.
A negative spread limits accretive acquisition financing unless NOI grows or refinancing relief arrives. Both are forward assumptions.
The cap rate covers one year only and is not a return over a hold, so the spread describes the starting position of the deal and nothing beyond it.
“Four of six property types show balance-weighted cap rates below their loan coupons: multifamily (minus-57 bps), retail (minus-25 bps), industrial (minus-80 bps) and self-storage (minus-63 bps).”
Why the NOI basis can flip the sign of the spread
A cap rate is only as comparable as the NOI behind it. A cap rate built on projected first-year NOI exceeds one built on historical NOI whenever growth is expected, because the numerator is larger over the same price.
Across hotel product segments, going-in cap rates on projected first-year NOI ran 20 to 90 basis points above cap rates on historical NOI, which reflects expectations of NOI growth.
A difference of that size is comparable to the negative spreads seen in CMBS data, which ranged from 25 to 80 basis points across four property types. The choice of NOI basis alone can therefore move a deal from negative to positive on paper.
The loan side needs the same care. A stated coupon and an all-in cost after fees are different numbers, and the one used should match the period the NOI covers.
How the spread shows up across property types
In CMBS data, four of six property types showed balance-weighted cap rates below their loan coupons. The gaps were minus 57 basis points for multifamily, minus 25 for retail, minus 80 for industrial and minus 63 for self-storage.
The size of the gap sets how much NOI growth or refinancing relief a buyer must find. A gap of minus 80 basis points demands far more from the plan than a gap of minus 25.
The same pressure appeared in core and core-plus offerings with going-in cap rates in the 4 percent to 5 percent range. As the spread between interest rates and cap rates narrowed across asset classes, including retail, pricing on those offerings was affected.
Why prices lag when borrowing costs rise
When rates rise, bond yields move first and private property pricing follows later. During one stretch of rising rates, borrowing costs moved above current market cap rates, buyer pools shrank and limited capital flowed into private real estate, so pricing discovery lagged those yields.
The lag shows up in negotiations. Disagreement between buyers and sellers over cap rates prolonged negotiations and closings, then eased as buyers pushed cap rates higher.
For a fixed NOI, a higher cap rate means a lower price. That is how a negative spread closes from the price side: the buyer’s cap rate rises toward the coupon, and the seller accepts less.
Some practitioners tie the whole relationship to capital availability. On that view, cap rates compress as liquidity returns, and the level of interest rates alone does not set them.
“It’s not interest rates, it’s liquidity.”
Worked example: a $10 million acquisition at a 5 percent and a 7 percent coupon
The hypothetical acquisition has a price of $10,000,000 and first-year NOI of $600,000. Debt is 60 percent of price, interest only. Fees and amortization are excluded, the period is one year, and only the coupon differs between the two cases.
The cap rate is $600,000 divided by $10,000,000, or 6 percent. The loan is $10,000,000 multiplied by 0.6, or $6,000,000, so equity is $10,000,000 minus $6,000,000, or $4,000,000.
Case A, coupon of 5 percent: interest is $6,000,000 multiplied by 0.05, or $300,000. Cash after interest is $600,000 minus $300,000, or $300,000. Equity yield is $300,000 divided by $4,000,000, or 7.5 percent. As a check, the spread is 1 percentage point on $6,000,000, or $60,000, which is 1.5 percent of equity, and 6 percent plus 1.5 percent is 7.5 percent.
Case B, coupon of 7 percent: interest is $6,000,000 multiplied by 0.07, or $420,000. Cash after interest is $600,000 minus $420,000, or $180,000. Equity yield is $180,000 divided by $4,000,000, or 4.5 percent. As a check, the spread is minus 1 percentage point on $6,000,000, or minus $60,000, which is minus 1.5 percent of equity, and 6 percent minus 1.5 percent is 4.5 percent.
Borrowing lifts the equity yield from the 6 percent all-equity level to 7.5 percent in Case A and cuts it to 4.5 percent in Case B. The property and the equity are identical, and the coupon alone moves the equity yield by 3 percentage points.
To match Case A’s $300,000 of cash at the 7 percent coupon, NOI must reach $420,000 plus $300,000, or $720,000. That is $120,000 above $600,000, or 20 percent growth. At $720,000 the cap rate on the same price is 7.2 percent, just above the coupon, so the spread is already positive; it turns positive once NOI passes $700,000.
Pitfalls that distort a negative spread read
Setting a coupon against a cap rate built on a different NOI basis produces a spread that reflects the choice of numerator. In a deal with growing income, projected first-year NOI yields a higher cap rate than historical NOI at the same price, so the same deal can read positive or negative depending on which was used.
Treating the spread as the equity return is a second error. The cap rate covers one year of NOI against price. Equity return over a hold also depends on the debt amount, debt service, fees, operating costs and sale proceeds. In the example, the 1.5 percent gap in equity yield is a first-year cash figure and nothing more.
Interest-only arithmetic understates the cash burden on an amortizing loan. Principal payments are not interest expense, yet they come out of cash flow, so the coupon comparison shows a better first-year picture than the actual debt service schedule.
Reading the sign as a verdict overlooks that the condition depends on NOI growth or refinancing relief. The example shows the size of the ask: NOI must rise above $700,000, or more than about 16.7 percent, for the spread to turn positive at a 7 percent coupon, and 20 percent growth restores Case A’s $300,000 of cash.
A rate rise combined with a cap rate rise hits equity twice. Interest cost goes up on the loan while the property value falls, and equity is the residual after debt. Some practitioners warn that this combination can erase sponsor and investor equity.
Questions that test a negative spread before relying on it
Which NOI sits in the cap rate numerator? Historical and projected first-year figures can differ by 20 to 90 basis points, enough to change the sign.
Is the coupon the all-in cost for the period analyzed? Floating-rate resets and the end of an interest-only period change the cost beyond the stated rate.
What is the gap in basis points? A shortfall of 25 basis points needs much less help from the plan than a shortfall of 80.
How much NOI growth closes the gap, and does the business plan deliver it? The example needed 20 percent growth at a 7 percent coupon.
How does scheduled principal repayment change cash after debt service? An amortizing loan takes more cash each year than interest alone.
What happens to the spread if refinancing relief does not arrive on the modeled terms? The answer shows how much of the result depends on a future financing change.
Where does the plan stand if cap rates are higher by the time of sale? A higher cap rate on the same NOI lowers value, and equity absorbs the full decline after debt.