SEP-IRA CD Strategy for the Self-Employed: Tax-Deferred Fixed Returns, No Market Risk

What Is a SEP-IRA?

A Simplified Employee Pension IRA (SEP-IRA) is a retirement savings account designed for self-employed individuals, sole proprietors, freelancers, and small business owners. It behaves like a traditional IRA in all the important ways — contributions are tax-deductible, growth is tax-deferred, and withdrawals in retirement are taxed as ordinary income — but it allows substantially higher contribution limits than a standard IRA.

Contributions to a SEP-IRA are limited to 25% of net self-employment income (after deducting half of your self-employment tax), subject to an IRS annual dollar cap that is adjusted periodically for inflation. For the current year's exact limit, see IRS Publication 560 or consult a qualified tax advisor — the right number depends on your specific net self-employment income for the year.

Because the deductible contribution can be quite large relative to a standard IRA, a SEP-IRA represents a significant tax planning opportunity for high-income self-employed individuals. The deduction reduces your federal and state income tax in the year of contribution. The growth compounds tax-deferred. And the account can hold any investment the custodian permits — including CDs.

How CDs Work Inside a SEP-IRA

Most banks and credit unions that offer IRAs also offer "IRA CDs" — certificates of deposit held within an IRA account wrapper. The mechanics are straightforward:

1. You open a SEP-IRA account at the bank (the bank is the custodian).
2. You fund the account with a deductible contribution — either directly from your business income or as a transfer from another account.
3. You direct the bank to hold those funds in a CD at a specified term and rate.
4. The CD earns interest, which credits to the IRA — not to your personal income. No 1099-INT is issued for the interest while it stays inside the account.
5. When the CD matures, the proceeds (principal + interest) remain in the IRA. You can reinvest in a new CD, hold in cash within the account, or transfer to another IRA investment — all without triggering a taxable event.
6. When you make qualified withdrawals in retirement (after age 59½), distributions are taxed as ordinary income — but by then, many retirees are in a lower tax bracket than during their peak earning years.

Current CD Rates for IRA CD Planning

The table below shows the best available CD rates across standard terms from REBOLST's database — sourced from public institution rate sheets. When evaluating an IRA CD, compare these rates against what your target bank offers for its IRA CD products (IRA CD rates are sometimes, but not always, the same as standard CD rates at the same institution).

Rates sourced directly from institution public rate sheets and verified weekly by REBOLST. Compare all live rates →

FDIC Coverage on IRA CDs

IRA deposits — including IRA CDs held in a SEP-IRA — are insured by the FDIC in a separate ownership category from your regular individual deposits. Specifically, all of your IRA deposits at the same institution are combined and insured up to $250,000 total, separately from your personal checking, savings, and standard CD balances.

This means if you have a personal savings account with $200,000 at Bank A and open a SEP-IRA CD at the same bank with $200,000, both are potentially fully insured — one under the individual depositor category and one under the retirement/IRA category. The two categories do not cross-aggregate.

Credit unions offer equivalent protection through NCUA share insurance — the same $250,000 per-member limit per ownership category applies to IRA share certificates at credit unions.

If your total IRA deposits at one institution (combining your SEP-IRA with any other IRA accounts you hold there — traditional IRA, Roth IRA, SIMPLE IRA) exceed $250,000, spread the excess across a second FDIC-insured institution to maintain full coverage.

Contribution Timing: The Extended Deadline Advantage

One of the most underused features of the SEP-IRA is its contribution deadline. Unlike a 401(k), which must be established by December 31 of the plan year, SEP-IRA contributions for a given tax year can be made up to the tax filing deadline — including extensions. For most self-employed individuals filing on extension, this means contributions can be made as late as October 15 for the prior tax year.

This extended window creates a planning opportunity: you can wait until after December 31 to calculate your exact net self-employment income, determine your precise maximum deductible contribution, and then fund the SEP-IRA (and its CDs) with confidence in the amount. You don't have to estimate in advance and risk over-contributing or under-utilizing the deduction.

For the IRA CD strategy, this means you can calculate your optimal contribution in January or February of the following year and then open the CD at whatever current rates are available. By the time you're ready to fund, REBOLST's rate comparison lets you identify which institution is currently offering the best IRA CD rate for your chosen term — ensuring you open the right CD at the right rate for the new contribution.

Building an IRA CD Ladder Inside a SEP-IRA

Once you have a meaningful SEP-IRA balance built up over multiple contribution years, you can structure the holdings as a CD ladder — multiple CDs at different terms, each maturing at a different point in your approach to retirement. This provides two benefits: partial liquidity (one CD maturing periodically without breaking others) and rate diversification (you're not locked into a single rate for the entire balance).

A common structure for a self-employed person with a decade or more before retirement is a 3-rung ladder inside the SEP-IRA: one CD at a shorter term (1 year), one at a medium term (2–3 years), and one at a longer term (4–5 years). Each year, as the 1-year CD matures, it rolls into the longer-term position — gradually extending the ladder's weighted average duration as the overall rate environment evolves.

The structure of the IRA CD ladder within a SEP-IRA:

• Short rung (1 year): Provides annual liquidity within the account. If rates rise significantly, you can reinvest the maturing CD at better rates without penalty (no early withdrawal — the CD matured naturally). Current best 1-year rate: 4.00%.
• Medium rung (2–3 years): Locks in a slightly higher rate for a longer period. Current best 3-year rate: 3.70%.
• Long rung (4–5 years): Captures the longest available term within the SEP-IRA at the institution's best long-term rate. Current best 5-year rate: 3.80%.

Each rung's allocation doesn't need to be equal — and often shouldn't be. If you're 5 years from planned retirement, you'd weight the ladder more heavily toward shorter terms so the funds can be accessed without breaking long-term CDs. If you're 20 years out, longer rungs make more sense to capture higher rates over time.

Early Withdrawal: Two Separate Penalties

The most important constraint to understand before placing a CD inside a SEP-IRA is that early withdrawals trigger two separate potential costs — not one:

• Bank early withdrawal penalty: Breaking a CD before its maturity date triggers the bank's penalty, typically 90 to 180 days of interest for terms over 12 months (varying by institution and term). This is the same penalty that applies to any CD, IRA or not.
• IRS early withdrawal penalty: If you take money out of a SEP-IRA before age 59½, the IRS charges a 10% early distribution penalty on the withdrawn amount — in addition to ordinary income tax on the distribution. Specific exceptions apply (disability, substantially equal periodic payments, certain medical expenses), but these are narrow. Consult a tax advisor before any early IRA distribution.

For IRA CDs specifically, the combination of these two penalties makes early exit from long-term CDs inside a SEP-IRA costly. This is a long-term vehicle — the CD terms you choose should align with your expected retirement timeline or be short enough to roll within the account without distribution.

Required Minimum Distributions

SEP-IRAs are subject to required minimum distributions (RMDs) — mandatory annual withdrawals that must begin at a specific age set by the IRS. Under SECURE 2.0 (signed into law in December 2022), the RMD starting age is currently 73 for most account holders. Under the same law, the age is scheduled to increase to 75 for those born in 1960 or later (effective beginning in 2033). Failing to take an RMD results in a significant IRS excise tax on the amount not withdrawn.

For IRA CD holders, RMD timing interacts with CD maturity dates. If your RMD falls due while a CD is still open, you have several options depending on your bank's policies: some banks allow partial withdrawals from IRA CDs for RMD purposes without triggering a penalty; others treat any early withdrawal as penalty-eligible. Confirm your bank's RMD policy before choosing a long CD term that could span into your RMD years.

Plan ahead: as you approach age 73 (or your applicable RMD age), structure your IRA CD terms to mature in the years when distributions will be required. This ensures you can take the RMD from a matured CD without paying an early withdrawal penalty. Work with a financial advisor or CPA to calculate your RMD amounts in advance — they depend on your total IRA balances and your applicable life expectancy factor per IRS tables.

Who Is Eligible for a SEP-IRA?

A SEP-IRA is available to:

• Sole proprietors and single-member LLCs
• Self-employed individuals with any business income (freelance, consulting, gig economy, side income)
• Partnerships and multi-member LLCs (though contribution rules for employees complicate the picture)
• S-corporation and C-corporation shareholders who receive compensation from the business

One important nuance for businesses with employees: if you open a SEP-IRA for yourself as the owner, you are generally required to also make proportionally equal contributions for any eligible employees. For solo self-employed individuals with no employees, this requirement doesn't apply. If you have even one part-time employee who meets the eligibility criteria (age 21+, earned at least the minimum compensation threshold in any three of the prior five years), consult a tax advisor before opening a SEP-IRA to understand the employee contribution rules.