# How Much Does $100K in 18-Month Jumbo CD Earn?

> 18-month jumbo CD at 4.50% APY earns $6,825.38 on $100,000.
- Title: How Much Does $100K in 18-Month Jumbo CD Earn? · Kiplinger
- Summary: 18-month jumbo CD at 4.50% APY earns $6,825.38 on $100,000. Depositing $100,000 in CreditOne Bank's 18-month jumbo CD at 4.50% APY earns $6,825.38 over 18…
- Keywords: creditone bank, jumbo cd, apy, 100000, 18-month, 4.50%, cd rates, interest earnings, Much, Does, 100K, Jumbo
- Source: Kiplinger — https://kiplinger.com/personal-finance/cd-rates/how-much-can-you-earn-100000-jumbo-cd
- Published: 2026-10-07T12:15:00+00:00
- Read time: 1 min
- Topics: creditone bank, jumbo cd, apy, 100000, 18-month, 4.50%, cd rates, interest earnings
## How Much Can $100,000 Earn in 18-Month Jumbo CD?
You have $100,000 cash or want to store significant funds away from market volatility as you approach retirement.
## CreditOne Bank Offers 4.50% APY Jumbo CD
CreditOne Bank provides an 18-month jumbo CD with 4.50% APY and no monthly account fees.
## Earning $6,825.38 on $100,000
Depositing $100,000 into CreditOne Bank's 18-month CD earns $6,825.38 over 18 months.
## Early Withdrawal Penalties Apply
Jumbo CDs carry early withdrawal penalties that can cost thousands of dollars if broken early.
## Fixed Interest Rates During Term
CDs have fixed interest rates, so even if the Federal Reserve hikes rates during your term, your APY remains unchanged.
## Fed Rate Hikes Impact Earnings
If the Fed hikes rates again, you could miss out on hundreds of extra dollars in interest.
## Tax Timing for CD Earnings
CD interest is taxed as ordinary income, so your marginal tax rate applies to your yield.
## Best Reasons for Jumbo CDs
Jumbo CDs work well for short-term goals, retirement savings, and FDIC insurance up to $250,000.
## Key takeaway

Depositing $100,000 in CreditOne Bank's 18-month jumbo CD at 4.50% APY earns $6,825.38 over 18 months.