20 Aug How Much Cash Should I Keep? When Cash Creates Other Risks
h1>How Much Cash Is Too Much? When “Safe” Money Starts Creating Other Risks
Cash feels safe.
The balance doesn’t fluctuate the way a stock portfolio can. You know what a dollar in the account will be worth tomorrow. And after years of relatively attractive short-term interest rates, investors have had another reason to feel comfortable keeping significant amounts of money in cash.
In fact, money market funds held a record $7.75 trillion in May 2026, according to an August 2026 Forbes article discussing the enormous amount of money Americans continue to hold in cash-like investments.
But here’s the more important question for an individual investor:
How much of your money should actually be in cash?
The answer isn’t “as little as possible.”
Cash plays an important role in a financial plan. It can provide liquidity, help cover emergencies, fund upcoming purchases, and keep money you’ll need soon from being exposed to unnecessary market volatility.
But cash can have risks of its own.
Interest rates can fall. Inflation can reduce purchasing power. Taxes can reduce what you actually keep from the interest you earn. And money sitting in cash for years may miss opportunities available to longer-term investments.
That’s why we think a better way to approach cash is not:
“Is cash a good investment right now?”
Instead, ask:
“What is this cash for?”
Cash Isn’t Good or Bad—It Needs a Job
Consider two households that each have $250,000 sitting in cash.
At first glance, their situations appear identical.
But suppose the first household plans to use $150,000 within the next year for a home purchase, expects a significant tax bill, and wants the remainder available as an emergency reserve.
The second household has no expected need for the $250,000 for many years. The money has simply accumulated in cash because the investors have been waiting for the “right time” to invest.
Those are two very different financial situations.
The amount of cash isn’t enough to tell us whether either household is holding too much.
The purpose and time horizon of the money matter.
That’s why cash planning should begin by assigning a job to the dollars you’re holding.
Bucket #1: Cash You Expect to Need Soon
Some money has a very clear reason to remain liquid.
That may include money set aside for:
- An emergency fund;
- A near-term home purchase or down payment;
- Upcoming tax payments;
- Tuition;
- Home renovations;
- A vehicle purchase;
- Planned travel;
- Business expenses;
- Near-term retirement spending; or
- Other known expenses.
If you know you’ll need the money on a specific date, protecting the availability of those funds can be more important than trying to maximize potential investment returns.
Imagine investing money you need for a home purchase six months from now and having the market decline shortly before closing.
You may be forced to sell at an unfavorable time simply because the money had a job that didn’t match the investment’s time horizon.
This is why cash and other short-term holdings can serve an important purpose in a comprehensive financial plan.
Money you need soon generally shouldn’t be asked to behave like long-term money.
Bucket #2: Cash Waiting for the “Right Time” to Invest
This is where the conversation becomes more complicated.
Suppose you have money available for long-term goals, but you’re reluctant to invest it because you’re concerned about the market.
You may be thinking:
“I’ll invest after the next correction.”
Or:
“Stocks seem expensive. I’ll wait until prices come down.”
Or perhaps:
“I’ll know when things feel safer.”
The challenge is that waiting for a better entry point is itself an investment decision.
Holding long-term money in cash while waiting for markets to change is a form of market timing.
It requires getting more than one decision right.
You have to decide when not to invest.
Then, eventually, you have to decide when to invest.
And the second decision can be surprisingly difficult.
If the market falls, fear may make you reluctant to buy because conditions suddenly look worse.
If the market continues rising, you may become even more reluctant because prices are now higher than when you first decided to wait.
The result can be a temporary cash position that quietly becomes a long-term one.
Bucket #3: Cash That’s There Because Nobody Made Another Decision
This may be the most overlooked category.
Sometimes people aren’t intentionally making a major cash allocation at all.
Money simply arrives—and stays.
For example:
- A CD matures;
- A property is sold;
- A business owner receives a distribution;
- An employee receives a large bonus;
- An investment is sold;
- An inheritance is received;
- Retirement assets are moved; or
- A portfolio is reduced during a period of market volatility.
The proceeds land in cash or a money market fund.
At first, the plan may be to decide what to do with the money later.
Then life happens.
Weeks become months.
Months can become years.
And eventually, what began as a temporary parking place becomes part of the portfolio without anyone intentionally deciding that cash was the best long-term home for the money.
This is financial inertia.
It doesn’t necessarily mean the cash should immediately be invested. It means the cash deserves to be reviewed.
“I haven’t decided yet” and “I’ve decided this money should remain in cash” are not the same thing.
The Risk Cash Doesn’t Show on Your Statement
One reason investors can become comfortable holding excess cash is that its risks don’t necessarily look like investment risks.
If you own an investment that falls 10%, you see the decline.
If you hold $100,000 in cash, your statement may continue showing approximately $100,000.
That stability can feel reassuring.
But the number on the statement doesn’t tell you how much that money can buy.
Inflation can reduce the purchasing power of cash even when its nominal value remains stable.
Suppose the cost of the goods and services you purchase increases over time. Your $100,000 may still say $100,000 on the statement, but it may purchase less than it did previously.
Interest earned on cash can help offset some of that loss of purchasing power.
But investors also need to consider the relationship among:
- The interest rate they’re earning;
- The inflation rate;
- Taxes owed on interest income; and
- The length of time the money will remain in cash.
That’s why evaluating cash based solely on its advertised yield can provide an incomplete picture.
A 4% Yield Doesn’t Necessarily Mean You’re Getting 4% Richer
Imagine a cash investment earning approximately 4%.
That can sound attractive, particularly when the account balance itself isn’t fluctuating significantly.
But your stated yield isn’t necessarily the same as your increase in purchasing power.
Taxes may reduce the amount of interest you keep.
Inflation may reduce what those dollars can purchase.
And the interest rate itself may change.
For investors holding taxable cash investments, it can therefore be useful to ask:
“What am I actually earning after taxes and inflation?”
This doesn’t make cash a poor choice.
If the money is serving an emergency or near-term spending need, liquidity and stability may be more important than maximizing long-term purchasing-power growth.
But if the money doesn’t have a near-term purpose, the trade-off deserves more attention.
Another Cash Risk: Your Interest Rate Can Disappear
One of the central points raised in the Forbes article is a risk many cash investors may overlook: reinvestment risk.
When short-term interest rates are attractive, cash and money market investments can produce appealing yields without requiring investors to lock their money away for long periods.
But those rates aren’t necessarily permanent.
As short-term securities mature, money is continually reinvested at prevailing rates.
If interest rates decline, the income generated by cash-like investments can decline with them.
For someone relying on that interest for retirement income, that can matter.
Imagine building a spending plan around an attractive cash yield and then watching that yield gradually decline as interest rates change.
Your principal may still appear stable.
Your income may not be.
Cash and Bonds Don’t Have the Same Risks
This doesn’t mean investors should simply move cash into longer-term bonds.
Cash and bonds solve different problems and carry different risks.
Short-term cash investments can reduce exposure to price fluctuations associated with changing interest rates, but they can leave investors more exposed to reinvestment risk if short-term rates decline.
Bonds with longer maturities may allow an investor to lock in a stated interest rate for longer, but their market values can fluctuate as interest rates change.
Generally, when market interest rates rise, existing bond prices fall, and when market interest rates fall, existing bond prices rise, although the magnitude of those changes depends on characteristics such as maturity and duration.
That’s why the decision isn’t simply:
“Cash or bonds—which one pays more?”
The more useful questions include:
- When will I need this money?
- How much price fluctuation can I tolerate?
- How important is liquidity?
- How important is locking in income?
- What happens to my plan if rates decline?
- What role is this money supposed to play in my portfolio?
The appropriate answer can be different for money needed next month, money intended to fund retirement spending several years from now, and money invested for a goal decades away.
Why Falling Interest Rates Can Matter to Retirees
Reinvestment risk can become particularly relevant in retirement.
A retiree may intentionally maintain cash to cover upcoming withdrawals and reduce the need to sell longer-term investments during an unfavorable market.
That can be a legitimate planning strategy.
But a retiree holding substantially more cash than needed for near-term spending may also be depending on today’s interest rates continuing into the future.
If those rates decline, the income generated by the cash allocation can decline as well.
That could affect:
- Portfolio income;
- Retirement withdrawals;
- The amount that needs to come from other investments;
- Taxes; and
- The long-term sustainability of the retirement plan.
This is why cash decisions shouldn’t necessarily be made independently from retirement-income planning.
The amount of cash you hold and the job you’ve assigned to it should work together.
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So How Much Cash Should You Keep?
There’s no single cash target that’s appropriate for every household.
You may have heard rules of thumb suggesting three months, six months, one year, or even two years of expenses.
Those guidelines can provide a starting point, but they don’t tell you how much cash is appropriate for your financial plan.
Consider two people who each spend $8,000 per month.
One is still working, has two reliable household incomes, carries little debt, and has access to other liquid investments.
The other is retired, relies heavily on portfolio withdrawals, has significant upcoming expenses, and wants to avoid selling longer-term investments during a market decline.
Should they necessarily hold the same amount of cash simply because their monthly expenses are identical?
Probably not.
The amount of cash you maintain may depend on factors such as:
- Whether you’re working or retired;
- The stability and number of your income sources;
- Your monthly spending needs;
- Known expenses coming in the next several years;
- Your emergency reserve needs;
- How much of your retirement spending comes from portfolio withdrawals;
- Your access to other liquid assets;
- Your debt obligations;
- Your tolerance for investment volatility; and
- The role cash plays within your broader investment and financial plan.
Instead of choosing an arbitrary percentage of your portfolio to hold in cash, it can be more useful to determine how many actual dollars need to remain liquid—and why.
5 Questions to Ask About the Cash You’re Holding
If you have a significant amount of money in cash, a money market fund, CDs, or other short-term holdings, these five questions can help you evaluate whether those dollars are still serving their intended purpose.
1. What Is This Money For?
This is the starting point.
Can you identify a specific purpose for the cash?
Perhaps it’s your emergency reserve.
Maybe it’s earmarked for next year’s living expenses in retirement.
Perhaps you’re buying a house, paying tuition, preparing for a tax bill, or planning a major purchase.
Those are identifiable jobs.
But if the answer is:
“I’m not really sure. It’s just there.”
then the cash may deserve another look.
2. When Will I Need It?
Time horizon can help determine which risks make sense for a particular pool of money.
Money needed in a few months generally has a different job than money you don’t expect to use for 10 or 20 years.
Trying to earn a higher return on near-term money may expose you to unnecessary volatility.
But keeping long-term money in cash indefinitely can introduce different risks, including inflation, reinvestment risk, and the opportunity cost of remaining outside longer-term investments.
The investment should fit the timeline—not the other way around.
3. What Am I Actually Earning After Taxes and Inflation?
Don’t stop at the advertised interest rate.
If the interest is taxable, consider what you may keep after taxes.
Then consider whether inflation is reducing the purchasing power of those earnings.
A positive account yield does not necessarily mean your purchasing power is increasing at the same rate.
The calculation will vary based on the investment, tax treatment, inflation, and your individual circumstances.
4. What Happens If Interest Rates Fall?
This question became easy to overlook when short-term interest rates were relatively high.
If part of your retirement income or financial plan depends on the interest being generated by cash, consider what would happen if that income declined.
Would your spending plan still work?
Would you need to withdraw more from other investments?
Would you have to change your allocation?
Would you have preferred to lock in some income for a longer period?
You don’t need to predict where interest rates are going to answer those questions.
You can instead evaluate how your plan would respond under different scenarios.
5. If I Don’t Need This Money for Years, Why Is It Still in Cash?
This may be the most revealing question of all.
There may be a perfectly good answer.
But sometimes the answer is fear.
Sometimes it’s uncertainty.
Sometimes it’s because the money arrived unexpectedly and no decision was made.
And sometimes it’s because the investor is waiting for a market event that may or may not happen.
Understanding why you’re holding cash can be just as important as determining how much you’re holding.
Are You Holding Cash Because You’re Afraid to Invest?
Market volatility can make cash feel especially attractive.
After watching markets fall—or hearing repeated predictions about the next recession, correction, election, interest-rate change, geopolitical event, or economic slowdown—an investor may decide to wait until uncertainty passes.
But markets rarely provide an obvious signal that says:
“Everything is safe now. It’s time to invest.”
In fact, by the time conditions feel comfortable again, markets may have already moved.
This doesn’t mean money should be invested regardless of circumstances.
It means that keeping long-term money in cash because you’re waiting for certainty deserves to be recognized for what it is: an investment decision.
If fear is driving the cash allocation, the solution may not be to invest everything immediately.
It may instead be to develop a strategy that allows you to move forward without requiring you to predict what markets will do next.
What About Investing the Money Gradually?
Some investors who are uncomfortable investing a large amount at once choose to move money into their investment strategy gradually over a predetermined period.
This approach is commonly referred to as dollar-cost averaging.
For example, rather than investing $120,000 at once, an investor might decide to invest $10,000 per month over 12 months.
That can make the transition from cash feel more manageable because the investor isn’t committing the entire amount at one market price.
However, dollar-cost averaging also means that some portion of the money remains in cash while the strategy is being implemented.
If markets rise during that period, the uninvested portion doesn’t fully participate in those gains.
If markets decline, gradual investing may allow later purchases to occur at lower prices.
The Forbes source notes that historical studies comparing lump-sum investing with gradual investing have often favored investing immediately because markets have historically risen more often than they have fallen.
However, historical results do not guarantee future outcomes, and the strategy that looks best mathematically may not always be the strategy an investor can comfortably follow.
For some people, a predetermined gradual-investment plan can provide a disciplined way to move out of an excessive cash position without requiring a single all-at-once decision.
The important distinction is having a plan rather than indefinitely waiting for the “perfect” entry point.
Don’t Confuse an Emergency Fund With Your Entire Cash Allocation
Emergency savings are an important part of financial planning.
But your emergency fund and your total cash allocation aren’t necessarily the same thing.
For example, someone may appropriately maintain an emergency reserve while also having additional cash earmarked for:
- Upcoming spending;
- Taxes;
- Retirement withdrawals;
- Planned purchases; or
- Other short-term goals.
Those amounts can be intentional.
The question becomes more important when cash exists beyond the amounts needed for identified short-term purposes.
That’s the money that may need another job.
Retirees May Have a Different Reason for Holding Cash
Cash planning can look very different once you’re retired.
Someone who is still accumulating wealth may be primarily concerned with maintaining an emergency reserve and funding upcoming purchases.
A retiree may also need cash to support ongoing portfolio withdrawals.
For example, maintaining money for upcoming spending can potentially reduce the need to sell longer-term investments during a period of significant market volatility.
That doesn’t mean every retiree should hold the same number of months or years of expenses in cash.
The appropriate amount may depend on:
- Social Security and pension income;
- Required and discretionary spending;
- Portfolio size and composition;
- Withdrawal needs;
- Upcoming large expenses;
- Other sources of liquidity;
- Tax considerations; and
- The retiree’s comfort with market fluctuations.
A retiree whose guaranteed or predictable income covers most household expenses may have very different cash needs from someone who relies heavily on portfolio withdrawals.
This is another reason a generic cash rule may not be particularly useful.
Cash Can Feel Safer Than It Really Is
When people hear the word “risk,” they often think about losing money.
That’s understandable.
But financial planning involves more than one type of risk.
There is:
- Market risk;
- Interest-rate risk;
- Inflation risk;
- Reinvestment risk;
- Liquidity risk;
- Longevity risk; and
- The risk of not having enough growth to support long-term goals.
Cash can help manage some of these risks while potentially increasing exposure to others.
That’s why describing cash simply as “safe” can be misleading.
Safe from what?
If your primary concern is needing $50,000 six months from now, avoiding short-term market volatility may be extremely important.
If your concern is maintaining purchasing power over the next 25 years of retirement, the risks may look very different.
The right financial tool depends on the problem you’re trying to solve.
What Could You Do With Cash That Doesn’t Have a Near-Term Job?
Once you’ve identified cash that isn’t needed for emergencies or expected near-term expenses, the next step isn’t automatically “put it in stocks.”
Instead, determine what the money is supposed to accomplish.
Depending on an investor’s goals, time horizon, risk tolerance, tax situation, and broader portfolio, planning may involve evaluating:
- Short- or intermediate-term fixed-income investments;
- Individual bonds or a bond strategy;
- A diversified investment portfolio;
- Retirement-account contributions when eligible;
- Debt reduction;
- Charitable goals;
- Upcoming retirement-income needs; or
- A combination of strategies.
None of these choices is automatically appropriate simply because someone has “too much cash.”
The goal is to connect the money with its purpose.
Give Every Dollar a Job
One way to simplify the cash conversation is to stop thinking of your accounts as one large pile of money.
Instead, think in terms of purpose and time horizon.
You might have:
Emergency money — available when life doesn’t go according to plan.
Spending money — intended for known expenses in the near future.
Retirement-income money — positioned as part of a strategy for upcoming withdrawals.
Intermediate-term money — intended for goals several years away.
Long-term money — invested for goals that may be decades into the future.
Not every dollar needs to be invested the same way because not every dollar has the same job.
That’s the larger lesson behind today’s record levels of cash.
The question isn’t whether Americans collectively have too much money sitting in money market funds.
The question is whether the cash in your own financial life is there intentionally.
When Was the Last Time You Reviewed Your Cash?
Cash decisions that made sense several years ago may not make sense indefinitely.
Interest rates change.
Inflation changes.
Markets change.
Your spending changes.
Your career changes.
And eventually, retirement can completely change the job your money needs to perform.
If a CD matured, a property was sold, a bonus arrived, or money was moved to cash during a volatile market and never redeployed, it may be worth revisiting the original reason for holding it.
Ask yourself:
Does this cash still have the same job it had when I put it here?
If the answer is no—or you can’t remember what the job was—that may be a signal to review the broader plan.
Cash Should Be Part of the Plan, Not an Alternative to Having One
There are legitimate reasons to hold cash.
There are legitimate reasons to invest for longer-term goals.
And there are legitimate reasons someone may choose a combination of cash, fixed income, and other investments.
The mistake is assuming that doing nothing is automatically the safest choice.
Holding cash is still a financial decision.
It comes with trade-offs involving liquidity, income, inflation, taxes, reinvestment risk, and potential long-term growth.
Rather than asking whether cash is “good” or “bad,” ask whether the amount you’re holding is aligned with what you’re trying to accomplish.
Cash with a purpose can be an important financial-planning tool.
Cash without a purpose deserves a conversation.
Does Your Cash Have a Job?
If you’re holding a significant amount in cash, money market funds, CDs, or other short-term investments, it may be worth evaluating how those assets fit into the rest of your financial plan.
At Nova Wealth Management, comprehensive financial planning can help you evaluate your cash reserves alongside retirement income, investments, taxes, upcoming spending, and your longer-term financial goals.
The goal isn’t to eliminate cash.
It’s to understand how much you need, why you need it, and what the rest of your money needs to accomplish.
Schedule a Meeting if you’d like to discuss how your cash and investments fit within your broader financial plan.
Toll-Free: (888) 677-9910
This article was developed using educational concepts discussed in an August 18, 2026 Forbes article by Jason Kirsch regarding record money market fund balances, reinvestment risk, inflation, cash management, and the importance of aligning cash holdings with an investor’s financial objectives.
Disclosure: Nova Wealth Management, Inc. is a Registered Investment Advisor. This material is provided for general educational and informational purposes only and is not intended as personalized investment, tax, or legal advice. References to cash, money market funds, CDs, bonds, equities, or other investments are for educational purposes only and should not be interpreted as a recommendation to buy, sell, or hold any investment or security. Money market funds are investment securities and are not the same as bank deposits; they are not insured or guaranteed by the FDIC. Bond prices generally move inversely to interest rates and may lose value when interest rates rise. Diversification does not ensure a profit or protect against loss. Investing involves risk, including the possible loss of principal. Past performance is not indicative of future results. Tax consequences vary based on individual circumstances. Financial decisions should be based on an individual’s unique financial situation, objectives, time horizon, risk tolerance, and needs.
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