Source: https://www.ally.com/bank/high-yield-cd/ Read: 2026-10-22T07:52:48.000Z Tab: 5 yr Active tab: 5 yr Ally Bank High Yield Certificate of Deposit (CD) 4.25% Annual Percentage Yield. No minimum deposit to open. There’s no minimum deposit required to open your account, and you’ll always get the best rate we offer for your CD term with the Ally Ten Day Best Rate Guarantee. Your money grows with interest compounded daily.