Investor Tools

Buy the Building or Buy Bonds?

Track the 10-year Treasury live, see the cap rate spread on your deal, and compare 10 years of returns from Treasuries, an all-cash property and a financed property.

Why the 10-year matters to every investment deal

The 10-year Treasury is the closest thing to a risk-free return over a typical hold period. Every income property you look at is competing with it, and the question I get from investors most is simple: why take on tenants, roofs and leverage when I can clip a coupon from the government?

Lenders price off it

Many commercial loans are quoted as a spread over the 10-year or a related benchmark. When the 10-year moves, loan rates follow, and so does how much a property can borrow.

Cap rates follow, with a lag

The gap between a cap rate and the 10-year is the premium investors demand for illiquidity, management and tenant risk. When that spread gets thin, prices tend to adjust. When it's wide, real estate looks relatively cheap.

What each side gives you

Real estate offers rent growth, leverage, depreciation and control of the asset. Treasuries offer liquidity, no management and interest that's exempt from state income tax. The right answer depends on your goals, timeline and tax picture, which is why the calculator below runs both.

10-Year Treasury, live

The benchmark most commercial lenders and investors price against.

Cap rate spread over the 10-year
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0 bps150300450+

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Buy the building, or buy bonds?

Put the same equity into 10-year Treasuries, an all-cash property, or a financed property, and compare 10 years of income and total return.

Market
Property
Financing (leveraged scenario)

Treasury default: 4.98% as of Oct 29, 2026. Update it with the live quote above.

10-yr Treasuries
Year 1 income
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10-yr return (IRR)
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Total profit
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Property, all cash
Year 1 income
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10-yr return (IRR)
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Total profit
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Property, financed
Year 1 cash flow
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10-yr return (IRR)
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Total profit
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Property price your equity buys (financed)–
Loan constant (annual payment ÷ loan)–
Year 1 DSCR–
Leverage–

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10-year cash flows
YearTreasuriesAll cashFinanced

Weighing a sale, a 1031, or moving money between bonds and real estate? Let's run your actual numbers.

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For illustration only, before taxes. Treasuries are held to maturity with coupons not reinvested; property returns depend on leasing, expenses, capital costs and the exit market, and are not guaranteed. KZB is a real estate brokerage, not an investment or tax advisor. Not investment advice.