Skip to main content

Bond Ladder / TIPS Ladder

Construct a series of bonds that mature in successive years, delivering guaranteed cash flows for each year of retirement without market price risk.

How It Works​

A bond ladder is one of the oldest and most straightforward strategies in fixed-income investing. You purchase individual bonds (or TIPS — Treasury Inflation-Protected Securities) with staggered maturities: one maturing in year 1, another in year 2, another in year 3, and so on, out to your chosen ladder length. Each year, the maturing bond delivers its face value as cash for your spending.

The key advantage is the elimination of market price risk for the funded years. Bond prices fluctuate daily, but if you hold a bond to maturity you receive exactly the face value — no more, no less. By laddering maturities to match your spending needs, you have locked in a known, guaranteed cash flow for each year the ladder covers. This is fundamentally different from holding a bond fund, where rising interest rates can cause paper losses.

When built with TIPS rather than nominal bonds, the ladder also provides inflation protection. Each TIPS bond adjusts its principal based on the Consumer Price Index, so the maturing value in year 10 reflects a decade of inflation. This makes a TIPS ladder the closest thing to a guaranteed real income stream that exists outside of Social Security.

The portion of the portfolio not used for the ladder remains invested in growth assets (stocks), which provide the upside needed to extend the ladder or fund spending beyond the ladder's end date.

The Formula​

Initial construction:

For each year Y from 1 to ladderYears:
    Purchase bond/TIPS with face_value = annual_spending_need
    Maturity date = Y years from now

ladder_cost = sum of all bond purchase prices
growth_portfolio = total_portfolio - ladder_cost

Each year:

withdrawal = maturing bond's face value (guaranteed)
growth_portfolio grows via market returns

Ladder extension (optional):

If growth_portfolio has grown sufficiently:
    Purchase new bond at the far end of the ladder
    Extends guaranteed income by one more year

Key parameters:

  • Ladder years: Number of years of guaranteed income (e.g., 10, 15, 20)
  • Annual spending need: Face value of each bond in the ladder
  • Bond type: Nominal Treasury, TIPS (inflation-protected), or corporate
  • Growth portfolio: Remainder invested for long-term growth and ladder extension

Pros & Cons​

Advantages:

  • Guaranteed income stream for the funded years — no market risk
  • Inflation protection when built with TIPS
  • Eliminates sequence-of-returns risk for the ladder period
  • Extremely simple to understand — bonds mature, you spend the proceeds

Limitations:

  • Lower expected returns than an equity-heavy portfolio
  • Locks up a significant portion of capital in fixed income
  • Complex to build and maintain — requires purchasing individual bonds at specific maturities
  • Ladder has a finite end date — must be extended or supplemented

Example​

Starting portfolio: $1,000,000 | Annual spending: $50,000 | Ladder length: 10 years | TIPS real yield: 2%

Initial allocation:

  • TIPS Ladder: ~$450,000 (10 bonds, each with $50,000 face value, purchased at a discount reflecting the 2% real yield)
  • Growth Portfolio (Stocks): $550,000
YearMaturing TIPSGrowth PortfolioTotal Available
1$50,000$550,000$50,000
3$50,000$620,000$50,000
5$50,000$700,000$50,000
7$50,000$790,000$50,000
10$50,000$920,000$50,000

TIPS values shown are inflation-adjusted — the actual maturing amount increases with CPI. By year 10, the growth portfolio has nearly doubled, providing ample capital to build a new 10-year ladder or transition to another strategy.

When to Use This Method​

A Bond Ladder works best for retirees who:

  • Prioritize income certainty above all else
  • Want inflation protection through TIPS
  • Have enough capital that dedicating a portion to fixed income still leaves room for growth
  • Prefer a set-it-and-forget-it income stream for a defined period

It is less suitable for retirees with smaller portfolios (where locking up capital in bonds leaves too little for growth), those who are comfortable with equity volatility, or anyone who finds individual bond purchasing and ladder management burdensome.

Try It Yourself

Compare Bond Ladder against other strategies using your own numbers in the Scenario Builder.

References​