Sequence-of-Returns + Concentration Risk: A Case-Based Framework to Stress-Test Pre-Retiree Portfolios

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The last years before retirement are usually accompanied by simultaneous excitement and anxiety . After carefully saving and investing money for decades, you’re finally nearing the finish line. You’ve checked your account balance, and you’re set to begin the next chapter of your life. But then you may ask yourself a question: Could the success of your retirement depend not only on how much you’ve saved, but also on when you retire and how your assets have been invested?

There are two significant risks associated with a retirement plan, both of which have long, technical names: sequence-of-returns risk and concentration risk. Understanding them is the first step to protecting your nest egg. Let’s find out what they mean by looking at some examples.

Understanding the Sequence of Returns

Consider two friends, Bob and Charles, who both worked for 40 years. They have similar retirement portfolios, each valued at around $1 million. They plan to withdraw $50,000 a year for living expenses. However, they retire a few years apart and experience very different market conditions.

Bob retires, and in his first year, the market soars 20%. In his second year, it climbs another 15%. By the time the market eventually has a bad year, his portfolio has grown so much that the downturn doesn’t cause him much stress. He’s comfortably ahead.

Charles, on the other hand, isn’t doing so well. He retires, and the market drops 20%. His $1 million is reduced to $800,000. He still needs to withdraw $50,000 to live on, taking his balance down to $750,000. Next year, the market is flat, and he withdraws another $50,000. In just two years, his nest egg has declined by 30%. He’s taking money out of a shrinking portfolio.

This illustrates the sequence of returns risk. Two people had the same amount of money and living expenses. The only difference was the timing. Bad returns, due to conditions you can’t predict or control, in the first few years of retirement, can be devastating.