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Andrew Pittet

March 09, 2026

Education
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Old bond

Investing lessons from a 400-year-old bond

History is one of the best teachers, especially when it comes to investing. One of my favorite stories from financial history is about the world’s oldest bond, which offers valuable lessons for today’s investors.

In 1624, drifting sea ice on the river Lek in the Netherlands crashed into a dike, threatening the region around Amsterdam with flooding. To fund repairs, the local government and water board of Lekdijk Bovendams issued a bearer bond that paid 2.5% interest annually. Unlike modern bonds, this one had no maturity date. Whoever held the bond could collect interest indefinitely. Remarkably, one of these bonds survives today. It is owned by the New York Stock Exchange and still pays €13.61 in interest each year (about $21.60 Canadian dollars).

This piece of history has a lot to teach us. First, it highlights the traditional role bonds play in a portfolio, which is providing stability over time. Unlike stocks, which represent ownership in a company and can fluctuate in value with changes in profits, bonds are essentially loans to the borrower. As long as the borrower continues to pay interest, the bond maintains its value, as demonstrated by this centuries-old example.

Another key lesson is the importance of understanding exactly what you are investing in. A big influence on the value of a bond is the reliability of the borrower, or counterparty. Governments are generally more stable than companies because they can raise revenue through taxes to make interest payments, but even they are not without risk. For example, Argentina has defaulted on its debt nine times and currently holds a CCC+ or “junk” credit rating.1 In contrast, it is remarkable that the Dutch authorities have continued to pay interest on their debt for nearly four centuries. This highlights why it is essential to carefully assess the financial strength of any entity you invest in.

Finally, there is the question of value. What would a bond like the Lekdijk Bovendams be worth today? Most of its value comes from its status as an antique artifact; in fact, it was sold by Christie’s auction house in 2000 for $47,000. We can also estimate its value as a financial asset using a straightforward formula. This bond is a perpetuity, meaning it pays a fixed amount indefinitely. Its value is simply the annual payment divided by the current market interest rate. With an annual payment of $21.60 and current 10-year Canadian government bond yields of 3.79%, the bond’s fair value would be about $569. This shows that by looking at an asset’s cash flows and the current economic environment, you can estimate its fundamental value. However, market prices don’t always match, especially in the short term, as they can be influenced by investor excitement or emotional factors. 

The world’s oldest bond continues to provide modern investors with insights into the role of bonds in a portfolio, the importance of understanding counterparties, and methods for valuing assets.

Stay disciplined,

-Andrew

 

Sources: 1) S&P Global Ratings, Council on Foreign Relations

CIBC Private Wealth consists of services provided by CIBC and certain of its subsidiaries, including CIBC Wood Gundy, a division of CIBC World Markets Inc. The CIBC logo and “CIBC Private Wealth” are trademarks of CIBC, used under license. “Wood Gundy” is a registered trademark of CIBC World Markets Inc.

Yields/rates are as of March 9, 2026, and are subject to availability and change without notification. Minimum investment amounts may apply.

This commentary is for informational purposes only and is not being provided in the context of an offering of any security, sector, or financial instrument, and is not a recommendation, an endorsement, or solicitation to buy, hold or sell any security.

This information, including any opinion, is based on various sources believed to be reliable, but its accuracy cannot be guaranteed and is subject to change.

Andrew Pittet is an Investment Advisor with CIBC Wood Gundy in Calgary. The views of Andrew Pittet do not necessarily reflect those of CIBC World Markets Inc.

If you are currently a CIBC Wood Gundy client, please contact your Investment Advisor.

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CIBC Private Wealth” consists of services provided by CIBC and certain of its subsidiaries through CIBC Private Banking; CIBC Private Investment Counsel, a division of CIBC Asset Management Inc. (“CAM”); CIBC Trust Corporation; and CIBC Wood Gundy, a division of CIBC World Markets Inc. (“WMI”). CIBC Private Banking provides solutions from CIBC Investor Services Inc. (“ISI”), CAM and credit products. CIBC Private Wealth services are available to qualified individuals. Insurance services are only available through CIBC Wood Gundy Financial Services Inc. In Quebec, insurance services are only available through CIBC Wood Gundy Financial Services (Quebec) Inc.


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