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Why you may be getting ‘shortchanged’ on CD interest rates, researcher says

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You may be leaving money on the table when it comes to certificates of deposit, some research suggests.

CDs have a set term, ranging from a few months to five or more years. Upon maturity, banks return the depositor’s principal plus interest.

Consumers who want their money early must generally pay a penalty, losing out on months of interest. However, paying that withdrawal penalty may be worthwhile for many savers who adopt the right strategy.

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That’s what is suggested in a recent research paper from Matthias Fleckenstein, associate professor of finance at University of Delaware, and Francis Longstaff, finance professor at the University of California, Los Angeles.

Rather than pick a short-term CD, consumers often get a higher return by choosing a long-term CD and paying a penalty to pull money out early, they found.

Consumers who are unaware of the strategy may get “shortchanged” by banks, Fleckenstein told CNBC.

‘The rule rather than the exception’

Here’s an example: If an investor puts $1 in a five-year CD with a 5% interest rate and cashes it out after one year with a penalty equivalent to six months of interest, they would receive about $1.03, which is slightly more than the $1.01 they would get from a one-year CD with a 1% interest rate, despite the penalty incurred for early withdrawal. 

Banks frequently price CDs this way, Fleckenstein and Longstaff wrote in their paper, published in October in the National Bureau of Economic Research.

The disappearance of the starter home

The researchers examined weekly CD rates offered by 16,891 banks and branches — ranging from small community banks to big nationwide institutions — from January 2001 to June 2023. Rates were for accounts up to $100,000.

About 52% of CDs offered during that period had such “inconsistencies” in pricing when comparing a given term against a longer-term CD cashed in early, they found.

“It’s the rule rather than the exception,” Fleckenstein said.

“There are banks that do this all the time,” he said, and “there are some that don’t do this at all.”

At banks where this happens, the difference in returns “is not tiny,” Fleckenstein said. In fact, the pricing inconsistency is about 23 basis points, on average, over the roughly two decades they assessed, he said.

Given that disparity, the average investor who invested $50,000 could have gotten an extra $115 of interest by picking a longer-term CD and cashing it in early, their research suggests.

The average size of that pricing difference rose as interest rates began to increase during the Covid-19 pandemic, Fleckenstein said.

CDs often for ‘safety and liquidity’

Households that save in CDs are generally looking for “safety and some liquidity” for a chunk of their assets, said Winnie Sun, co-founder of Irvine, California-based Sun Group Wealth Partners and a member of CNBC’s Financial Advisor Council.

The typical CD buyer has a goal in mind, like saving for a home down payment, and wants to earn a modest interest rate without subjecting their money to much risk, Sun said.

About 6.5% of households held assets in CDs as of 2022, with an average value of about $99,000, according to the most recent Survey of Consumer Finances.

Like any investment, there are pros and cons to CDs.

For example, unlike other relative safe havens like high-yield savings accounts or money market funds, CDs offer a guaranteed return over a set period with no chance of market-based losses. In exchange, however, CDs offer less liquid access to your cash than a savings account and lower long-term returns than the stock market.

“Shop around for the best CD rate across banks, but also look within banks at whether it actually may pay off to accept a longer term but pay an early withdrawal penalty,” Fleckenstein recommended, based on his research findings.

The option may not be as prolific in the current market environment, though.

Long-term CDs typically pay a higher interest rate than shorter-term ones, Sun said. But average rates for one-year CDs are currently higher than those for five-year CDs: 1.7% versus 1.4%, respectively, according to Bankrate data as of Jan. 20.

Households can pursue other CD strategies, Sun said.

For example, instead of putting all savings into a long-term CD, consumers might put a chunk of their money into a long-term CD and with the remaining funds build a “ladder” of shorter-term CDs that mature more quickly. They can then buy more CDs if they’d like once the shorter-term ones come due.

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Personal Finance

Maximizing Returns in High Rate Climate and market uncertainty

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Maximizing Returns in High-Rate Climate

In the macroeconomic environment of late July 2026, personal cash management requires an active, structured approach to wealth preservation. With central bank benchmark rates remaining elevated to ensure long-term disinflation, conservative yield-bearing vehicles—such as short-term U.S. Treasury bills, money market funds, and high-yield savings accounts (HYSAs)—continue to offer reliable nominal returns between 4% and 5%. For individual investors, maximizing net returns requires moving beyond passive checking accounts and executing a disciplined cash laddering strategy.

Leaving substantial liquid capital in traditional bank deposits creates an invisible drag on personal net worth due to ongoing inflation. By implementing a tiered liquidity framework, individuals can split emergency cash reserves and short-term capital allocations across rolling maturities. Allocating cash into 4-week, 8-week, and 13-week Treasury bills creates a continuous cycle of maturing liquidity, allowing investors to continuously reinvest capital at prevailing market yields while maintaining immediate access to emergency funds.

Tax efficiency represents a critical dimension of high-yield cash optimization. For high-earning individuals residing in states with substantial local income taxes, direct holdings in short-term U.S. Treasury instruments often deliver superior net post-tax yields compared to standard commercial bank HYSAs. Because interest earned on federal Treasury bills is strictly exempt from state and local taxation, investors can retain a larger portion of their compounding interest gains without taking on additional credit or market risk.

Ultimately, personal wealth accumulation in mid-2026 relies on intentional capital deployment. Cash should be managed as a productive asset class that generates consistent, risk-free returns. Regularly auditing account yield terms, automating recurring transfers, and leveraging tax-advantaged fixed-income instruments ensures that personal liquidity remains fully optimized against macroeconomic fluctuations.

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Personal Finance

Algorithmic Wealth Management: Balancing Automated Financial Planning with Human Oversight

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Balancing Automated Financial Planning with Human Oversight

The personal finance industry in July 2026 is experiencing a technological evolution, driven by the wide deployment of next-generation algorithmic wealth management tools. Modern digital financial platforms have expanded far beyond basic automated index investing; today’s robo-advisors utilize real-time tax-loss harvesting, dynamic portfolio rebalancing, and hyper-personalized spending analysis to optimize retail investor outcomes. However, as these digital solutions become ubiquitous, investors face the crucial challenge of balancing automated execution with human strategic judgment.

The core advantage of automated financial planning platforms lies in their ability to remove emotional bias from investment execution. During periods of market volatility or localized sector realignments, automated algorithms systematically rebalance portfolios back to target asset allocations without falling victim to panic selling or speculative enthusiasm. Furthermore, integrated cash-flow monitoring algorithms analyze individual spending patterns in real time, automatically sweeping surplus income into designated retirement or debt-liquidation accounts to accelerate net worth accumulation.

Despite these operational advantages, algorithmic tools have inherent structural limitations when addressing complex, highly personalized financial life events. Decisions involving multi-generational estate planning, highly complex tax strategies, small business exits, or nuanced real estate transactions require contextual human judgment that software models cannot replicate. Relying solely on automated models without periodic human professional review can result in misaligned risk profiles or overlooked tax liabilities during major life transitions.

The optimal approach for personal financial planning in late 2026 is a hybrid advisory model. Individuals should utilize automated platforms for routine asset allocation, continuous tax optimization, and low-cost passive index tracking, while engaging qualified human financial advisors for periodic strategic planning, estate structuring, and qualitative risk evaluations. This dual approach ensures maximum cost efficiency and disciplined execution while retaining essential strategic guidance.

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Personal Finance

High-Yield Optimization: Structuring Personal Cash Reserves in a Sustained Rate Environment

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Structuring Personal Cash Reserves in a Sustained Rate Environment

In the financial environment of mid-2026, personal cash management has re-emerged as a vital component of holistic wealth building. With central bank policy rates holding firm to maintain long-term price stability, yield-bearing instruments such as money market funds, high-yield savings accounts (HYSAs), and short-term Treasury bills continue to offer compounding returns around 4% to 5%. For individual investors, effectively structuring cash reserves requires shifting away from passive bank deposits toward active yield optimization.

A frequent pitfall in personal asset management is leaving substantial liquid capital in traditional checking or low-yield savings accounts, where real returns are continuously eroded by baseline inflation. By implementing a disciplined ‘cash ladder’ strategy—allocating liquid funds across tiered maturities using ultra-short Treasury instruments and FDIC-insured high-yield accounts—individuals can secure maximal yields while retaining immediate liquidity for emergency expenses or tactical investment opportunities.

Simultaneously, investors must evaluate the tax efficiency of their cash holdings based on their tax bracket and geographic location. For high earners situated in states with high local income taxes, direct holdings in short-term U.S. Treasury bills often yield a higher net post-tax return than standard high-yield savings accounts, as Treasury interest is strictly exempt from state and local taxation. Understanding these nuanced tax distinctions allows individuals to capture significant incremental gains without taking on additional market risk.

Ultimately, personal financial health in late 2026 hinges on intentional liquidity management. Cash reserves should not be viewed merely as static emergency funds, but as a dynamic asset class that contributes positively to net worth growth. Regularly auditing yield terms, automating cash transfers, and optimizing for post-tax efficiency ensures that personal capital remains fully productive across all economic conditions.

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