Why Cash and CDs Are Not Safe for Oklahoma Retirees

Why "Safe" Is the Wrong Word

When markets become volatile, the instinct is understandable. Move to cash. Park it in CDs. Wait for things to settle down. It feels safe. It feels responsible. It feels like the kind of decision a prudent investor would make.

The problem is that retirement is not a single moment. It is a decades-long process during which costs rise, withdrawals continue, and the portfolio must grow fast enough to remain viable. Cash does not grow. And in the context of a 25-year retirement, the difference between what cash earns and what a retirement portfolio needs to earn is not a minor gap. It is a structural failure.

The Illusion of Safety

Cash feels safe because it does not move. The balance on the statement is the same this month as it was last month. There is no volatility. There is no anxiety. There is no bad news.

But the absence of visible loss is not the same as safety. A portfolio in cash is losing purchasing power every year, silently, through inflation. At 3% annual inflation, a dollar today is worth approximately 74 cents in ten years. At 4% inflation — which is not a historical outlier — it is worth approximately 67 cents.

For a retiree withdrawing $80,000 per year from a portfolio, the effective cost of that withdrawal in year fifteen is not $80,000. It is closer to $120,000 in today's dollars, depending on the inflation rate. A portfolio in cash is not keeping pace with that increase. It is falling further behind every year.

The CD Problem

Certificates of deposit are a step above cash in terms of return, but they share the same fundamental limitation: they are designed to preserve capital, not to grow it. In the current rate environment, CDs may offer 4–5% returns — which sounds reasonable until you account for taxes, inflation, and the actual return requirement of a retirement portfolio.

If your Required Return is 6.5% annually and your CDs are earning 4.5% after taxes, you have a 2% annual gap. Over 20 years, that gap compounds into a significant shortfall. The portfolio that looked adequate at retirement becomes inadequate a decade into it — not because of a market crash, but because of the quiet, persistent drag of insufficient returns.

The Oklahoma Context

Oklahoma has a state income tax that applies to CD interest and other investment income. For a retiree in the 4.75% state bracket plus federal taxes, the after-tax return on a CD earning 5% gross may be closer to 3.2–3.5%. Against 3–4% inflation, the real return is near zero — or negative.

This is not a theoretical concern. It is the lived experience of retirees who moved to cash or CDs during a period of market stress and then watched their purchasing power erode while their peers who stayed invested recovered and continued to grow.

The Sequence of Returns Trap

The most dangerous version of the cash trap occurs at the beginning of retirement. A retiree who experiences a significant market decline in year one or two of retirement — and responds by moving to cash — faces a compounded problem.

First, they have locked in losses by selling at a depressed price. Second, they have removed the portfolio from the recovery that typically follows a significant decline. Third, they are continuing to withdraw from the portfolio while it sits in cash, reducing the principal that would eventually need to recover.

This sequence — decline, panic, cash, withdrawal, missed recovery — is one of the most common ways that retirement portfolios fail. It does not feel like a failure at the time. It feels like prudence. The failure only becomes visible years later, when the math no longer works.

What Safety Actually Looks Like in Retirement

Safety in retirement is not the absence of volatility. It is the preservation of purchasing power over time. A portfolio that never declines but consistently loses ground to inflation is not safe — it is slowly failing.

Real safety in retirement comes from a portfolio that has a defined strategy — not just an allocation, but a set of rules that govern how the portfolio responds to changing conditions. It manages downside risk actively, not by moving to cash, but by adjusting exposure based on observable market conditions before significant losses accumulate. It maintains sufficient growth to outpace inflation, sustain withdrawals, and remain viable over a 25–30 year horizon.

Cash and CDs satisfy none of these criteria. They eliminate volatility at the cost of growth — and in retirement, insufficient growth is not a minor inconvenience. It is a structural failure that compounds silently until the options for addressing it have narrowed.

If you are considering moving to cash or CDs — or if you are already there — the question worth asking is not "does this feel safe?" It is "does this portfolio have a realistic path to funding my retirement?" If the answer to the second question is no, the feeling of safety is an illusion. And illusions, in retirement, are expensive.

Rulicent Investments, LLC is an independent registered investment adviser based in Edmond, Oklahoma. All content is for educational purposes only and does not constitute investment advice.