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Possibility of Failure (POF) Rate

Possibility of Failure (POF) Rate

Investopedia / Laura Porter

Definition
The possibility of failure (POF) rate is a metric that assesses the likelihood that a retiree's savings will be insufficient to last throughout their retirement.

What Is the Possibility of Failure (POF) Rate?

The possibility of failure (POF) rate is used to determine if a person's retirement savings will be adequate. It measures the likelihood that a retiree will run out of money prematurely.

A retirement portfolio’s possibility of failure rate depends on the individual's life expectancy, the rate at which the retiree plans to withdraw money, the portfolio's asset allocation, and the volatility of the investments in it.

The possibility of failure rate 𝓀is also known as the prob🍌ability of ruin.

Key Takeaways

  • The possibility of failure rate is relevant to a retiree who relies on an investment portfolio for retirement income.
  • The volatility of the assets in the portfolio and the rate at which money will be withdrawn are among the key factors in the failure rate.
  • The life expectancy of the portfolio's owner also is factored into the equation.

Unde𒁃rstandi💯ng the Possibility of Failure (POF) Rate

Calculating the possibility of failure rate has become increasingly important to retirees as average life expectancy ha🐬s increased. People simply have more years ahead of them to finance after they retire.

A widely referenced 1998 study on retirement savings withdrawal rates, authored by Trinity University finance professors Philip L. Cooley, Carl M. Hubbard, and Daniel T. Walz found that withdrawing more than 6% per year from a retirement portfolio led to significant failure rates.

That 6% figure was based on retirees with an optimum portfoli🎃o and no taxes, expenses, or fees—conditions that aren’t likely to exist in the real world.

In fact, retirees can’t control factors s𝔍uch as market volatility and part of their savin꧃gs will inevitably be lost to taxes and fees.

The conclusion: They🌜 would have to use a conservativ൩e withdrawal rate, well below 6%, to minimize the possibility of failure.

What Is a "Safe" Withdrawal Rate?

A 澳洲幸运5开奖号码历史查询:safe withdrawal rate is often considered to be 4%, Even this rate has too high a possibility of failure under certain economic conditions, such as a slowing꧃ economy.

Retirees who keep a large percentage of their portfolios invested in stocks during retirement and experience excellent stock market returns during that time might be able to sa๊fely withdraw 4% or🐼 even more without running out of money.

Still, if the economy goes through a prolonged 澳洲幸运5开奖号码历史查询:recession or negative economic growth, even a nor༒mally conservative 3% withdrawal rate might have a high probability of failure.

Important

One rule of thumb is to de🎃crease your withdrawal rate when your portfolio has a 25% possibility of failure.

Investment volatility also increases the possibility of failure. Though riskier investments can earn higher returns, those returnꦐs aren’t guaranteed. You may not live long enough to ride out a downturn in your riskier investments.

Still, you are nearly assured that your portfolio value will fluctuate more in🦂 the risওkier investment, which makes it harder to assess the percentage you can safely withdraw each year.

Financial experts who espouse 澳洲幸运5开奖号码历史查询:dynamic updating, a method of portfolio withdrawal management, recommend adjusting your withdrawal rate as conditions change to minimize the possib💫ility of failure rather than using the s🔯ame “safe” withdrawal rate regardless of what happens.

Article Sources
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  1. Philip L. Cooley, Carl M. Hubbard, and Daniel T. Walz. "." Accessed June 22, 2021.

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