High-Yield Savings Account vs. Certificate of Deposit: What’s the Difference?
October 29, 2026
Summary:
High-yield savings accounts (HYSAs) and certificates of deposit (CDs) are deposit accounts that can help savings earn interest, but they differ in rate structure, access, and account terms. A high-yield savings account generally offers a variable rate and more flexible access, while a CD typically provides a fixed rate for a specified term and may charge a penalty for early withdrawal. Comparing these features can help you evaluate which option may align with your savings goals.
If you are looking for a place to hold savings and earn interest, high-yield savings accounts and certificates of deposit are two options to consider. The appropriate option depends on factors such as your savings timeline, need for access, preferred rate structure, and willingness to keep funds deposited for a set period.
Key highlights:
- HYSAs and CDs are deposit accounts that may help savings earn interest.
- HYSAs generally have variable rates, while CDs generally have a specified term and may have different rate structures.
- HYSAs generally provide more flexible access to funds, subject to account terms, transfer limits, and processing times.
- CDs generally require funds to remain deposited until maturity, and an early withdrawal penalty may apply.¹
- Eligible savings account and CD deposits at FDIC-insured banks are insured up to applicable limits, subject to FDIC rules.²
What is a high-yield savings account?
A high-yield savings account is a savings account that generally offers a higher Annual Percentage Yield (APY) than a traditional savings account. HYSA rates are usually variable, which means the rate and APY may change. Funds are generally accessible through the institution’s available transfer or withdrawal methods, subject to applicable limits, holds, processing times, and account terms.
Because HYSAs generally allow additional deposits and provide ongoing access to funds, they may be considered for emergency savings or other goals where flexibility is important.
What is a certificate of deposit?
A certificate of deposit is a type of savings account offered by banks and credit unions. A CD generally requires funds to remain deposited for a specified term. The applicable rate and other account terms vary by institution and CD. Withdrawing money before the CD matures generally results in an early withdrawal penalty.¹
CDs may be considered for funds that are not expected to be needed before a known date. Before opening a CD, review the term, rate or APY, early withdrawal penalty, and other applicable account terms.
Key differences between high-yield savings accounts and CDs
HYSAs and CDs can both earn interest, but their rate structures and access terms differ. The table below provides a general comparison. Specific features vary by institution and account, so review the applicable disclosures before opening an account.
| Feature | High-yield savings account | Certificate of deposit |
| Rate structure | Generally variable and subject to change | Typically fixed for the specified term; renewal rates may differ |
| Access to funds | Generally accessible, subject to transfer methods, limits, holds, and processing times | Funds are generally expected to remain deposited until maturity |
| Early withdrawal | Terms vary; applicable transfer or withdrawal limits may apply | An early withdrawal penalty generally applies before maturity ¹ |
| Deposits | Additional deposits may generally be made, subject to account terms | Additional deposits may be limited or unavailable during the term, depending on the CD |
| Federal deposit or share insurance | Eligible deposits may be FDIC-insured at an FDIC-insured bank or NCUA-insured at a federally insured credit union, up to applicable limits ², ³ | Eligible deposits may be FDIC-insured at an FDIC-insured bank or NCUA-insured at a federally insured credit union, up to applicable limits ², ³ |
| May be considered for | Emergency savings or goals requiring greater access | Goals with a defined timeline when funds are not expected to be needed before maturity |
When a high-yield savings account may be considered
An HYSA may align with your needs when:
- You are building an emergency fund or saving for a goal that may require access to the money.
- You expect to make additional deposits over time.
- You are comfortable with a variable APY that may change.
- The account’s fees, requirements, access methods, and other terms fit your needs.
When a CD may be considered
A CD may align with your needs when:
- You have a defined savings timeline and do not expect to need the funds before maturity.
- You prefer a rate that is typically fixed for the specified term.
- You understand the early withdrawal penalty and other applicable terms.
- The CD’s term, APY, minimum deposit, and maturity or renewal instructions fit your needs.
How to compare a high-yield savings account and a CD
Assess your savings timeline
Consider when you may need the money. Greater flexibility may be important for emergency savings or shorter-term goals, while a CD may be considered when you have a defined date and do not expect to withdraw the funds early.
Evaluate access needs
Review how funds can be transferred or withdrawn and how long processing may take. For CDs, review the maturity date, grace period, and early withdrawal penalty. ¹
Compare rates, fees, and requirements
Compare APYs along with fees, minimum opening deposits, balance requirements, rate structure, and other account terms. A higher advertised APY may not by itself identify the option that best aligns with your needs.
Confirm applicable insurance coverage
Confirm whether the institution is FDIC-insured or federally insured by the NCUA. Eligible savings-account and CD deposits at FDIC-insured banks are insured up to applicable limits, and eligible share savings and share certificate accounts at federally insured credit unions are covered under applicable NCUA share insurance rules.², ³
Learn more about how high-yield savings accounts work, including common account features and considerations.
Learn more about the Openbank High Yield Savings account
An Openbank High Yield Savings account may be an option to consider when comparing savings accounts. Review the current APY, account features, eligibility requirements, transfer and withdrawal terms, and applicable disclosures to determine whether the account aligns with your needs. Learn more about the Openbank High Yield Savings account or apply for an account online.
High-yield savings accounts vs. CDs: common questions, answered
A high-yield savings account may offer greater flexibility for emergency savings because funds are generally accessible, subject to account terms and transfer timing. A CD generally requires funds to remain deposited until maturity, and an early withdrawal penalty may apply. The appropriate option depends on your access needs and the applicable account terms.¹
The APY on a high-yield savings account is generally variable and may change. A CD has a specified term, while its rate structure and any renewal terms vary by account. Review the applicable disclosures for details.
Eligible deposits in savings accounts and CDs at FDIC-insured banks are insured up to applicable limits, subject to FDIC rules. Eligible share savings and share certificate accounts at federally insured credit unions are covered under applicable NCUA share insurance rules. Confirm the institution’s insurance status and review how coverage applies to your ownership category.², ³ You can also learn more about how FDIC insurance applies to high-yield savings accounts.
Some people use different deposit accounts for different savings goals. For example, funds that may be needed sooner could be kept in an account with greater access, while funds tied to a defined timeline could be placed in a CD. Consider the terms, access, penalties, and insurance coverage of each account.
Sources:
¹ Consumer Financial Protection Bureau - What Is a Certificate of Deposit (CD)?. Accessed October 29, 2026.
² FDIC - Deposit Insurance. Accessed October 29, 2026.
³ National Credit Union Administration - Share Insurance Coverage. Accessed October 29, 2026.
This content is for informational purposes only and does not constitute financial, legal, or investment advice. Please consult Openbank’s website or speak to a representative for the most up-to-date information.
Openbank is a division of Santander Bank, N.A. Member FDIC. Deposits at Santander Bank and its Openbank division are combined for FDIC insurance purposes and are not separately insured.
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