Best 6-Month CD Rates 2026: Top APYs, Penalties, and Picks — August 2026

Key Takeaways

On $10,000 at 4.75% APY, a 6-month CD earns roughly $233 in interest, compared to about $75 at the national average of 1.50% APY. The gap is $158 on a single $10,000 deposit for six months.
Early withdrawal on a 6-month CD typically costs 60 to 90 days of interest. Withdrawing after one month can wipe out all earnings. Only lock money you are certain you will not need before maturity.
Six-month CDs make the most sense when you expect rates to fall: the CD guarantees your APY for the full term while a HYSA rate can drop anytime the Fed or the bank changes course.

Quick answer

A 6-month CD makes sense if you have cash you will not touch for six months and want to lock a rate before it potentially falls. If you might need the money sooner, or the best HYSA rate is close to the CD rate, stay liquid instead — the penalty for breaking a CD early usually costs more than the extra yield is worth.

The full picture

A 6-month CD earns a guaranteed rate for six months, full stop. As of today, Ally Bank's 6-month CD is paying … APY, a useful live benchmark for the tier. If you have cash sitting in a 0.01% checking account or a low-yield savings account, the math is straightforward. The only question is whether you can commit the funds for six months. If you cannot, a no-penalty CD or a high-yield savings account is the better tool. If you can, the six-month CD typically wins on yield and certainty.

Quick picks

Best overall 6-month CD

Pick: Ally Bank
Why: Competitive APY, no minimum, Ally trust brand

Highest APY

Pick: Synchrony Bank
Why: Often leads the 6-month tier by a few basis points

Low minimum deposit

Pick: Marcus by Goldman Sachs
Why: No minimum deposit, strong brand

Easy online opening

Pick: Discover Bank
Why: Clean digital experience, no minimum

Credit union rate

Pick: Alliant Credit Union
Why: Competitive NCUA-insured rate for members

No-penalty alternative

Pick: Ally No-Penalty CD
Why: Full withdrawal allowed after 6 days, competitive APY

Best for	Pick	Why
Best overall 6-month CD	Ally Bank	Competitive APY, no minimum, Ally trust brand
Highest APY	Synchrony Bank	Often leads the 6-month tier by a few basis points
Low minimum deposit	Marcus by Goldman Sachs	No minimum deposit, strong brand
Easy online opening	Discover Bank	Clean digital experience, no minimum
Credit union rate	Alliant Credit Union	Competitive NCUA-insured rate for members
No-penalty alternative	Ally No-Penalty CD	Full withdrawal allowed after 6 days, competitive APY

Rates updated from provider disclosures. Verify current terms before opening.

What $10,000 earns over 6 months

Dollar impact: $10,000 for 6 months

At 4.75% APY (top online bank): $10,000 x 4.75% / 2 = approximately $237 in interest

At 1.50% APY (national average): $10,000 x 1.50% / 2 = approximately $75 in interest

At 0.01% APY (typical big-bank savings): $10,000 x 0.01% / 2 = approximately $0.50 in interest

Difference between top CD and national average: $162 in six months. Difference between top CD and big-bank savings: $236.50 in six months.

On $25,000, the gap between a top 6-month CD and the national average is roughly $405 for six months.

Rates are illustrative. Verify current APYs before opening.

Liquidity penalty test: what early withdrawal actually costs

Before opening a 6-month CD, run this test. Most 6-month CDs charge 60 to 90 days of interest as an early withdrawal penalty. Here is what that looks like in dollars.

Withdraw after 1 month

Balance: $10,000
APY: 4.75%
Penalty (90 days): ~$117
Net after early withdrawal: -$77 (you lose money)

Withdraw after 2 months

Balance: $10,000
APY: 4.75%
Penalty (90 days): ~$117
Net after early withdrawal: $62 net

Withdraw after 3 months

Balance: $10,000
APY: 4.75%
Penalty (90 days): ~$117
Net after early withdrawal: $$62 then $117 penalty wipes most gains

Hold full 6 months

Balance: $10,000
APY: 4.75%
Penalty (90 days): None
Net after early withdrawal: $237 net

Scenario	Balance	APY	Penalty (90 days)	Net after early withdrawal
Withdraw after 1 month	$10,000	4.75%	~$117	-$77 (you lose money)
Withdraw after 2 months	$10,000	4.75%	~$117	$62 net
Withdraw after 3 months	$10,000	4.75%	~$117	$$62 then $117 penalty wipes most gains
Hold full 6 months	$10,000	4.75%	None	$237 net

Conclusion: if there is any meaningful chance you will need the funds in the first two months, a HYSA or no-penalty CD is a better fit. The penalty at many banks exceeds the interest earned during a short hold. Run your own numbers with our CD calculator before committing.

When a 6-month CD makes sense

You have cash you will not need for at least six months (emergency fund is separately funded).
You expect the Federal Reserve to cut rates, and you want to lock your APY before that happens.
You are building a CD ladder with a 6-month rung for short-term liquidity.
You have a specific financial goal with a known date 4 to 8 months away (tax bill, vacation, equipment purchase).

When to skip a 6-month CD

Your emergency fund is not fully funded. Never lock emergency cash in a CD.
You are unsure whether you will need the funds before maturity.
The CD rate is within a few basis points of the best HYSA rate. In that case, HYSA liquidity is worth the small yield difference.
You are comfortable with T-bills. A 6-month Treasury bill is currently competitive with top CD rates and has state-tax advantages. See our CD vs bond vs Treasury comparison for details.

6-month CD vs HYSA: the real comparison

Rate guarantee

6-month CD: Fixed for term
High-yield savings: Variable, can change anytime

Access to funds

6-month CD: Penalty before maturity
High-yield savings: Anytime, no penalty

Best APY today

6-month CD: Roughly comparable to top HYSA
High-yield savings: Roughly comparable to top CD

Risk if rates fall

6-month CD: Rate locked (protects you)
High-yield savings: Rate follows the market

Risk if rates rise

6-month CD: Rate locked (hurts you)
High-yield savings: Rate follows the market

Tax treatment

6-month CD: Interest is ordinary income
High-yield savings: Interest is ordinary income

FDIC/NCUA insurance

6-month CD: Yes, up to $250,000
High-yield savings: Yes, up to $250,000

	6-month CD	High-yield savings
Rate guarantee	Fixed for term	Variable, can change anytime
Access to funds	Penalty before maturity	Anytime, no penalty
Best APY today	Roughly comparable to top HYSA	Roughly comparable to top CD
Risk if rates fall	Rate locked (protects you)	Rate follows the market
Risk if rates rise	Rate locked (hurts you)	Rate follows the market
Tax treatment	Interest is ordinary income	Interest is ordinary income
FDIC/NCUA insurance	Yes, up to $250,000	Yes, up to $250,000

The CD wins if rates fall after you open. The HYSA wins if you might need access. Both earn roughly similar rates at top online banks today. The decision comes down to liquidity certainty and rate outlook.

Choose X if

Choose a 6-month CD if you have a specific short-term goal, expect rates to fall, and can commit the funds.
Choose a HYSA if you value daily access or are not certain you can leave the funds untouched.
Choose a no-penalty CD if you want near-CD rates without the lockup risk.
Choose a T-bill if you pay high state income taxes (T-bill interest is exempt from state tax).
Build a CD ladder if you want a mix of short-term access and guaranteed yield at multiple maturities.

When this recommendation changes

When the answer flips

If the Fed signals rate cuts: A 6-month CD becomes more valuable. Locking in 4.75% for six months protects you if the Fed cuts and banks reprice HYSA rates lower. The shorter term also limits regret if rates do not fall as expected.

If the Fed signals rate hikes: A short 6-month term is relatively low-risk here too: you are not locked for long, and you can roll into a higher rate at maturity.

If a no-penalty CD matches the 6-month CD rate: Choose the no-penalty CD. There is no reason to accept early withdrawal risk if you can get the same rate without it.

If the best HYSA rate exceeds the 6-month CD rate by 0.50% or more: The HYSA may be the better choice unless you have specific rate-lock motivation.

How we ranked

We evaluated 6-month CDs on five criteria: APY (weighted most heavily), minimum deposit requirement, early withdrawal penalty cost, FDIC or NCUA insurance status, and digital account opening ease. We did not rank based on affiliate compensation rate. All rates and terms are subject to change; verify with each institution before opening.

SwitchWize earns referral fees from some linked accounts. This does not influence rankings.

Sources

What to do next

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Frequently Asked Questions

What is a 6-month CD rate right now?

Top online banks and credit unions are currently offering 6-month CD rates in the range of 4.5% to 5.0% APY, well above the national average. Verify current rates directly with each institution before opening, as rates change with market conditions.

Is a 6-month CD better than a HYSA?

A 6-month CD locks in your rate for six months regardless of what the Fed does. If you expect rates to fall, a CD protects your yield for the term. If you might need the money before maturity, a HYSA gives you daily liquidity without a penalty. The right choice depends on how certain you are about not needing the funds.

What is the early withdrawal penalty on a 6-month CD?

Most banks charge 60 to 90 days of interest for early withdrawal on a 6-month CD. On a $10,000 CD at 4.75% APY, 90 days of interest is about $117. If you withdraw after only one month, the penalty can erase most or all of your earnings.

How much does a 6-month CD earn?

On $10,000 at 4.75% APY, a 6-month CD earns approximately $233 in interest over the term. At the national average of roughly 1.50% APY, the same deposit earns about $75. The difference on $10,000 is about $158 for six months.

Are 6-month CD rates FDIC insured?

Yes. CDs at FDIC-insured banks are protected up to $250,000 per depositor per ownership category per institution, the same protection as savings accounts. CDs at NCUA-insured credit unions carry equivalent protection.

Should I do a 6-month CD or a no-penalty CD?

If liquidity is a concern, a no-penalty CD may pay a slightly lower APY but lets you withdraw without penalty after a short lockout period (typically 6 to 7 days). A standard 6-month CD usually pays a higher rate in exchange for accepting the penalty risk. If you are confident you will not need the funds, the standard CD typically wins on yield.

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