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What Is Laddering?

In finance, the term “laddering” is used in a variety of ways depending on the industry. Its most common usages are in relation to retirement planning and in the underwriting of new securities issues.

Key Takeaways

  • Laddering is a financial term used in various ways depending on the industry.
  • The most common usage for laddering is in retirement planning, where it refers to a method for reducing interest rate and reinvestment risk.
  • Laddering is also used in the securities underwriting market to describe an illegal practice that privileges insiders at the expense of regular investors.

How Laddering Works

The most common usage of the term “laddering” is found in retirement planning, where it refers to buying multiple financial products of the same type—such as bonds or certificates of deposit (CDs)—each with different maturity dates. By spreading their investment across several maturities, investors hope to reduce their interest rate and reinvestment risks.

The practice of laddering can help investors manage reinvestment risk because as one bond on the ladder matures, the cash is reinvested in the nearest bond on the ladder. Similarly, the practice can also reduce interest rate risk because, even if rates decline during the holding period of one of the bonds, the smaller amount of reinvestment dollars mitigates the risk of having to invest a lot of cash at a low return.

The term is also used in the context of the underwriting of initial public offerings (IPOs). Here, it refers to an illegal practice in which underwriters offer a below-market price to investors prior to the IPO if those same investors agree to buy shares at a higher price after the IPO is completed. This practice advantages insiders at the expense of regular investors, and is therefore prohibited under U.S. securities law.

The term “laddering” is also used in other contexts. Laddering is used to describe different investing strategies that aim to produce steady cash flow by deliberately planning investments, creating an influx of liquidity at a predetermined time, or matching the desired risk profile. Although these strategies can vary substantially in their execution, what they have in common is the practice of carefully combining a series of investment decisions to produce the desired outcome.

Example of Laddering

Michaela is a diligent investor who is saving for her retirement. At 55 years of age, she has saved approximately $800,000 in combined retirement assets, gradually shifting those assets toward less volatile investments.

Today, $500,000 of her assets are invested in various bonds, which she has carefully combined—or “laddered”—in order to reduce her reinvestment and interest rate risks. Specifically, Michaela’s bond portfolio consists of the following investments:

  • $100,000 in a bond maturing in 1 year
  • $100,000 in a bond maturing in 2 years
  • $100,000 in a bond maturing in 3 years
  • $100,000 in a bond maturing in 4 years
  • $100,000 in a bond maturing in 5 years

Each year, Michaela takes the money from the bond that matures and reinvests it in another bond that matures in five years. By doing so, she effectively ensures that she is exposed to only one year’s worth of interest rate risk at any given time. By contrast, if she had invested $500,000 in a single five-year bond, she would have risked a far greater opportunity cost if the interest rates had ended up rising during those five years.

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