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Deposit Quest Substack · Aug 25, 2026

Best Nationally Available Add-On CDs, August 25, 2026

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Kent C. Jamison · Deposit Quest Substack

Credit Human

  • 3.59% (▲5 bps) ($5k min) 12-month Liquid Share Certificate

AgFed Credit Union

  • 3.20% (▲10 bps) ($25) • 24-month Asset Builder CertificateUnlimited additional deposits of any amount

  • 3.10% (▲10 bps) ($25) • 18-month Asset Builder Certificate • Unlimited additional deposits of any amount

  • 3.00% (▲10 bps) ($25) • 12-month Asset Builder Certificate • Unlimited additional deposits of any amount

Kinecta Federal Credit Union

  • 3.50% ($100) • 9-month Liquid Certificate • Unlimited deposits, penalty-free withdrawals up to 50% of balance

The top Add-On CDs have rates ranging between 4.00% and 4.24% are listed below.

Utah Community Credit Union

  • 4.24% • $500 min • 6-month Add-on Savings Certificate

  • Unlimited deposits up to $5m during term.

Mountain America Credit Union

  • 4.20% • $5 min/$100k max • 24-month Growth Certificate

  • Funds, in any amount, can be added at any time, but an individual member is limited to an aggregate $100k in any one or combination of Growth CDs.

  • Unlimited deposits during term, min $10 automatic monthly deposit.

NASA Federal Credit Union

  • 4.05% • $250 min • 12 months Add-On Share Certificate

  • Additional deposits up to $2.5k per month

  • “Additional deposits of at least $25 must be made by automated means.”

Mountain America Credit Union

  • 4.05% • $5 min/$100k max • 60-month Growth Certificate

  • Funds, in any amount, can be added at any time, but an individual member is limited to an aggregate $100k in any one or combination of Growth CDs.

  • Unlimited deposits during term, min $10 automatic monthly deposit.

Mountain America Credit Union

  • 4.00% • $5 min/$100k max • 36-month Growth Certificate

  • Funds, in any amount, can be added at any time, but an individual member is limited to an aggregate $100k in any one or combination of Growth CDs.

  • Unlimited deposits during term, min $10 automatic monthly deposit.

Mountain America Credit Union

  • 4.00% • $5 min/$100k max • 30-month Growth Certificate

  • Funds, in any amount, can be added at any time, but an individual member is limited to an aggregate $100k in any one or combination of Growth CDs.

  • Unlimited deposits during term, min $10 automatic monthly deposit.

Mountain America Credit Union

  • 4.00% • $5 min/$100k max • 18-month Growth Certificate

  • Funds, in any amount, can be added at any time, but an individual member is limited to an aggregate $100k in any one or combination of Growth CDs.

  • Unlimited deposits during term, min $10 automatic monthly deposit.

Mountain America Credit Union

  • 4.00% • $5 min/$100k max • 48-month Growth Certificate

  • Funds, in any amount, can be added at any time, but an individual member is limited to an aggregate $100k in any one or combination of Growth CDs.

  • Unlimited deposits during term, min $10 automatic monthly deposit.

Navy Federal Credit Union

  • 4.00% • $50 min/$3k max • 12-month Special EasyStart Certificate

  • Funds, in any amount, can be added at any time, but cannot exceed the $3k balance cap.

  • Requires a checking relationship.

  • Limit of one per member.

Genisys Credit Union

  • 4.00% • $100 min/$20k max • 1-Year Youth Flex CD Special (ages 0-21)

  • Unlimited deposits during term ($10 up to max limit per day), one penalty-free withdrawal up to 25% of principal, one rate bump.

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Two banks and eight credit unions currently offer a total of 19 Add-On CDs that also have no-penalty options. Complete details are listed in the attached spreadsheet.

Genisys Credit Union4.00% ($100 min/$20k max) • 1-year Youth Flex Certificate (ages 0-21)

Genisys Credit Union3.90% ($100 min) • 14-Month Flex CD Special

Goldwater Bank 3.90% (no min) • 6-month Liquid CD

Sunward Federal Credit Union 3.75% ($100k min new money) • 16-month Flex Certificate

Genisys Credit Union3.70% ($100 min) • 1-Year Flex CD Special

Technology Credit Union 3.65% ($1k min) • 5-Month Liquid Certificate

Technology Credit Union 3.65% ($1k min) • 4-Month Liquid Certificate

Technology Credit Union 3.65% ($1k min) • 3-Month Liquid Certificate

Credit Human 3.59% (▲5 bps) ($5k min) 12-month Liquid Share Certificate

Sunward Federal Credit Union 3.50% ($500 min) • 16-month Flex Certificate

Kinecta Federal Credit Union3.50% ($100 min) • 9-Month Liquid Certificate

Bellco Credit Union3.40% ($2.5k min) • 30-month Smart Move CD

Bellco Credit Union3.40% ($2.5k min) • 24-month Smart Move CD

Goldwater Bank 3.25% (no min) • 12-month Liquid CD

Bellco Credit Union3.15% ($2.5k min) • 36-month Smart Move CD

SkyOne Federal Credit Union 3.10% ($1k min) • 11-month Liquid Share Certificate

Cal Coast Credit Union 3.00% ($1k min) • 8-month Liquid Certificate

Kinecta Federal Credit Union2.75% ($100 min) • 12-Month Liquid Certificate

Climate First Bank2.68% ($500 min) • 15-month Flex CD

Bellco Credit Union2.40% ($2.5k min) • 18-month Smart Move CD

The attached spreadsheet contains details on the 46 nationally available Add-On CDs currently offered by 20 credit unions and four banks as of August 25, 2026.

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