Compare Bank & Credit Union Rates
Best high-yield savings rates
Compare published savings yields, money market accounts included, with minimums, requirements, collection dates and original sources.
Top savings rates
Showing 16–30 results in Boulder, CO metro
- BOK FinancialPremier Money MarketPremier Money Market · $50 min · 0.15%–2.50% by balance
Bank · 1 branch
0.75%APY$75 a year on $10,000Requirements
Product: $15 monthly maintenance fee waived by maintaining $10,000 average collected balance for the month. $50 opening deposit required. Earn 0.05% higher interest rate with a Premier or Select Checking account relationship. Free incoming domestic wires and check writing privileges.
0.15% interest rate · $15 monthly fee · Effective Oct 15, 2026
Rate by balance
Rate by balance for Premier Money Market Balance APY Up to $10,000 0.15% $10,000 – $25,000Your amount 0.75% $25,000 – $50,000 2.00% $50,000 – $100,000 2.25% $100,000 – $250,000 2.50% $250,000 and up 2.50% Rate checked
More details - 0.65%APY$65 a year on $10,000
Requirements
Product: Rates current as of 10/01/2026 9:15 AM (mst)
0.10% interest rate
Rate by balance
Rate by balance for Standard Savings Account Balance APY Up to $1,000 0.10% $1,000 and upYour amount 0.65% Rate checked
More details - Adams Bank & TrustConsumer Money Market SavingsConsumer Money Market Savings · $100 min · 0.10%–1.50% by balance
Bank · 1 branch
0.65%APY$65 a year on $10,000Requirements
Product: $2 monthly service fee is waived with a $100 minimum balance, or for account holders under 18 and college students under 24 with a valid student ID. The interest rate and annual percentage yield may change after account opening. First 3 monthly withdrawals are free, then $1 per withdrawal, up to a maximum of 6 withdrawals per month.
Offer: Rate applies to balances from $0 to $1,499.99. Rate may change after account opening. $2 monthly service fee waived with $100 minimum balance, or for account holders under 18 and college students under 24 with valid student ID. First 3 monthly withdrawals are free, then $1 per withdrawal, up to 6 withdrawals per month.
0.10% interest rate · $2 monthly fee · Effective Oct 1, 2026
Rate by balance
Rate by balance for Consumer Money Market Savings Balance APY Up to $1,500 0.10% $1,500 – $5,000 0.20% $5,000 – $10,000 0.25% $10,000 – $25,000Your amount 0.65% $25,000 – $50,000 1.10% $50,000 and up 1.50% Rate checked
More details - Zions BankPremier Money MarketPremier Money Market · $0 min · 0.00%–1.51% by balance
Bank · 3 branches
0.50%APY$50 a year on $10,000with conditionsRequirements
Product: Exclusively for Premier and Premier Elite clients. Tiered variable interest rates calculated using the daily balance method. Limit of 6 withdrawals per monthly statement cycle; excess withdrawal fees may apply (up to 10 excessive transaction fees per cycle). Apply in person.
Offer: Standard tier for Premier/Premier Elite clients. Variable APY; daily balance method. Displaying rates for Idaho and Utah.
Qualified rate · 0.00% interest rate · Effective Oct 7, 2026
Rate by balance
Rate by balance for Premier Money Market Balance APY Up to $5,000 0.00% $5,000 – $100,000Your amountEnhanced/Relationship tier for Premier/Premier Elite clients. 0.50% $100,000 – $250,000Enhanced/Relationship tier for Premier/Premier Elite clients. 0.85% $250,000 – $500,000Enhanced/Relationship tier for Premier/Premier Elite clients. 1.16% $500,000 – $1,000,000Enhanced/Relationship tier for Premier/Premier Elite clients. 1.41% $1,000,000 and upEnhanced/Relationship tier for Premier/Premier Elite clients. 1.51% Rate checked
More details - 0.50%APY$50 a year on $10,000
Requirements
Product: Available online or at local branches. Interest calculated daily. Up to 9 withdrawals per quarter free, $1.25 for each additional debit. $9.00 quarterly service fee waived with a minimum balance of $200.
Offer: Rates listed are available for accounts opened online only and may differ for accounts opened at a local branch. Rates are effective as of today's date and are subject to change. $9.00 service charge per statement quarter if balance falls below $200.
Rate checked
More details - Zions BankMoney Market AccountMoney Market Account · $0 min · 0.00%–1.36% by balance
Bank · 3 branches
0.45%APY$45 a year on $10,000with conditionsRequirements
Product: Tiered interest rate calculated using daily balance method. Limit of 6 withdrawals per monthly statement cycle; excess withdrawal fees may apply (up to 10 excessive transaction fees per cycle). Monthly service fee applies if minimum daily balance requirement is not met. Gold Account relationship offers premium rate tiers automatically when linked.
Offer: Standard tier. Variable APY; daily balance method. Displaying rates for Idaho and Utah.
Qualified rate · 0.00% interest rate · Effective Oct 7, 2026
Rate by balance
Rate by balance for Money Market Account Balance APY Up to $1,000 0.00% $1,000 – $100,000Your amountRelationship rate tier (e.g., Gold Account relationship). 0.45% $100,000 – $250,000Relationship rate tier (e.g., Gold Account relationship). 0.75% $250,000 – $500,000 0.75% $500,000 – $1,000,000 0.85% $1,000,000 and upRelationship rate tier (e.g., Gold Account relationship). 1.36% Rate checked
More details - Zions BankPremier Money MarketPremier Money Market · $5,000 min · 0.45%–1.46% by balance
Bank · 3 branches
0.45%APY$45 a year on $10,000with conditionsRequirements
Product: Exclusively for Premier and Premier Elite clients. Tiered variable interest rates calculated using the daily balance method. Limit of 6 withdrawals per monthly statement cycle; excess withdrawal fees may apply (up to 10 excessive transaction fees per cycle). Apply in person.
Offer: Standard tier for Premier/Premier Elite clients. Variable APY; daily balance method. Displaying rates for Idaho and Utah.
Qualified rate · 0.45% interest rate · Effective Oct 7, 2026
Rate by balance
Rate by balance for Premier Money Market Balance APY $5,000 – $100,000Your amount 0.45% $100,000 – $250,000 0.80% $250,000 – $500,000 1.06% $500,000 – $1,000,000 1.36% $1,000,000 and up 1.46% Rate checked
More details - 0.45%APY$45 a year on $10,000
Requirements
Product: The interest rate and the APY may change after account opening. Fees could reduce earnings on the account.
Offer: No monthly service, maintenance fees, or junk fees. Minimum balance to earn APY is $0.01.
0.23% interest rate · No monthly fee · Effective Apr 1, 2026
Rate by balance
Rate by balance for High Yield Savings Balance APY Up to $5,000 0.23% $5,000 – $50,000Your amount 0.45% $50,000 – $100,000 0.90% $100,000 – $250,000 1.36% $250,000 – $500,000 2.53% $500,000 and up 3.82% Rate checked
More details - Zions BankMoney Market AccountMoney Market Account · $1,000 min · 0.35%–0.95% by balance
Bank · 3 branches
0.35%APY$35 a year on $10,000with conditionsRequirements
Product: Tiered interest rate calculated using daily balance method. Limit of 6 withdrawals per monthly statement cycle; excess withdrawal fees may apply (up to 10 excessive transaction fees per cycle). Monthly service fee applies if minimum daily balance requirement is not met. Gold Account relationship offers premium rate tiers automatically when linked.
Offer: Standard tier. Variable APY; daily balance method. Displaying rates for Idaho and Utah.
Qualified rate · 0.35% interest rate · Effective Oct 7, 2026
Rate by balance
Rate by balance for Money Market Account Balance APY $1,000 – $100,000Your amount 0.35% $100,000 – $250,000 0.70% $1,000,000 and up 0.95% Rate checked
More details - BMOGrowth Money Market AccountGrowth Money Market Account · $25 min · 0.05%–2.50% by balance
Bank · 6 branches
0.30%APY$30 a year on $10,000with conditionsRequirements
Product: $10 monthly maintenance fee is waived for 60 days after account opening or if you hold a minimum daily balance of $5,000. Requires a $25 minimum opening deposit. Variable rate account.
Offer: Standard APY for balances less than $5,000. Monthly maintenance fee waived for first 60 days or with a $5,000 minimum daily balance.
Qualified rate · $10 monthly fee · Effective Oct 16, 2026
Rate by balance
Rate by balance for Growth Money Market Account Balance APY Up to $5,000 0.05% $5,000 – $25,000Your amount 0.30% $25,000 – $100,000Monthly maintenance fee waived with a $5,000 minimum daily balance. 0.65% $100,000 – $250,000Monthly maintenance fee waived with a $5,000 minimum daily balance. 1.70% $250,000 and upMonthly maintenance fee waived with a $5,000 minimum daily balance. 2.50% Rate checked
More details - BOK FinancialPersonal Money MarketPersonal Money Market · $50 min · 0.20%–0.35% by balance
Bank · 1 branch
0.30%APY$30 a year on $10,000Requirements
Product: $7.95 monthly maintenance fee waived by maintaining $1,000 average collected balance for the month. $50 opening deposit required.
0.20% interest rate · $7.95 monthly fee · Effective Oct 15, 2026
Rate by balance
Rate by balance for Personal Money Market Balance APY Up to $10,000 0.20% $10,000 – $25,000Your amount 0.30% $25,000 and up 0.35% Rate checked
More details - 0.25%APY$25 a year on $10,000
0.25% interest rate · Effective Sep 28, 2026
Rate checked
More details - 0.20%APY$20 a year on $10,000
Requirements
Product: Monthly service fee ($5.00) can be avoided by satisfying one of the following: monthly electronic transfers of at least $10 from personal checking account with BOK Financial, maintain monthly average collected balance of $250, or link to a Premier Checking account (accounts are not automatically linked). 0.05% bonus interest rate available when linked with Select Checking or Premier Checking (bonus interest rate is not automatically applied and must be requested).
Offer: Applicable to Arkansas (AR). Monthly fee of $5.00 waived with $250 monthly average collected balance, monthly electronic transfer of at least $10 from BOK Financial personal checking, or link to Premier Checking.
0.20% interest rate · $5 monthly fee · Effective Oct 15, 2026
Rate checked
More details - Bank of ColoradoMoney Market AccountMoney Market Account · $1,000 min · 0.20%–1.76% by balance
Bank · 2 branches
0.20%APY$20 a year on $10,000Requirements
Product: $15.00 monthly service charge applies if account balance falls below $1,000 minimum at any time during monthly cycle. Up to 6 withdrawals per month allowed. Rates listed are available for accounts opened online only.
Offer: Opened online only. $15.00 monthly service charge waived if balance stays at or above $1,000.
0.20% interest rate · $15 monthly fee
Rate by balance
Rate by balance for Money Market Account Balance APY $1,000 – $25,000Your amount 0.20% $25,000 – $100,000 0.45% $100,000 – $500,000 0.70% $500,000 – $1,000,000 0.75% $1,000,000 – $3,000,000 1.26% $3,000,000 and up 1.76% Rate checked
More details - MidFirst BankTitanium Money MarketTitanium Money Market · $100 min · 0.10%–0.30% by balance
Bank · 1 branch
0.15%APY$15 a year on $10,000Requirements
Product: $10 monthly service charge, waived with $5,000 average daily balance. $100 minimum deposit to open account online.
$10 monthly fee · Effective Oct 14, 2026
Rate by balance
Rate by balance for Titanium Money Market Balance APY Up to $9,999 0.10% $10,000 – $24,999Your amount 0.15% $25,000 – $49,999 0.15% $50,000 – $74,999 0.15% $75,000 – $249,999 0.20% $250,000 – $499,999 0.25% $500,000 and up 0.30% Rate checked
More details
Carrot Score rates each institution on all its CD, savings, auto loan and credit card rates, not just the account shown. How we rank
What savings accounts pay in Boulder, CO metro
82 accounts at 27 banks and credit unions · checked Oct 7–22
- Typical
- 0.08%
- Top 10% from
- 2.70%
- Banks, typical
- 0.08%
- Credit unions, typical
- 0.10%
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Boulder, CO metro
Top Carrot institutions
Ranked across their CDs, savings, auto loans and credit cards. How scores work
- Bellco Credit UnionCredit union · 1 branch
- UMB BankBank · 1 branch