Top 18-month CD rates currently available include Middlesex Federal SavingsMiddlesex Federal Savings1 College Ave, Somerville, MA 02144A+5.0 ★Texas Ratio: 0.50% offering IRA 18 Month Variable Rate Certificate at 4.59% APY, and Pathways Financial Credit UnionPathways Financial Credit Union5665 N Hamilton Rd, Columbus, OH 43230A5.0 ★Texas Ratio: 6.58% offering 18 Month Certificate at 4.35% APY, and CFCU Community Credit UnionCFCU Community Credit Union1030 Craft Rd, Ithaca, NY 14850A+5.0 ★Texas Ratio: 4.92% offering 18-month IRA Certificate at 4.25% APY, and State Bank of NewburgState Bank of Newburg300 Congress Dr Hwy 33, Newburg, WI 53060A+5.0 ★Texas Ratio: 0.29% offering 18 mo Variable Rate IRA 18 mo Certificate of Deposit at 4.22% APY. CD rates as of April 5, 2026 according to verified data from MonitorBankRates.
An 18-month CD bridges the gap between short-term flexibility and longer-term yields. It locks in a competitive rate for a year and a half — ideal for savers who want more than a 12-month commitment without tying up funds for two or more years. We display Safety Grades, Star Ratings, and Texas Ratios so you can choose institutions with confidence.
The APYs displayed reflect actual verified offers. Rates are subject to change at the institution’s discretion without notice. A substantial penalty may be imposed for early withdrawal. 18-Month CD Rates Last Updated and Verified: April 5, 2026
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Now through April 15, earn up to 4.25% APY
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Jumbo
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Automatic Renewal to Regular Certificate
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Minimum $500 Deposit to start
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Over $50,000
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Rate changes quarterly-Quarterly compounding-$100.00 minimum additions permitted-IRA fund also permitted
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(The interest rate and APY may change after account opening)
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$25,000+
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Early Withdrawal Penalties: 180 days interest
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Daily Balance of $99,999.01 or more; Payment Frequency: Semiannually
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Earn up to 3.30% APY* when you open up an 18-month IRA Share Certificate.
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$500 minimum
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$1,000.00 Minimum balance required
A penalty may be imposed for early withdrawals.
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Compounded Monthly
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Limited-time offer.
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$1,000 Minimum To Open
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$250 Minimum Balance
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Minimum Opening Deposit $500.00
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$1,800 Minimum. Early withdrawal penalty = 90 days dividend earned or not.
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$500 Minimum Balance to obtain APY*
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SEMI-ANNUALLY
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DB4 of
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$20,000
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$50 Minimum Deposit
$10,000.00 to $49,999.00
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$500 to $4,999.99
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$100
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Daily national average APY for 18-month CDs
Daily averages compiled from our database of 8,500+ banks and credit unions — updated daily.
National 18-month CD rates rose 0.265 points over the past 7 days to 2.856% APY, up from 2.591% 7 days ago.
Direct-Sourced & Verified CD Rate Data: We aggregate 18-month CD rates nationwide directly from the official websites of banks and credit unions using our proprietary rate aggregation technology. By pulling data straight from the institutions’ own digital properties and manually verifying yields daily, every rate on MonitorBankRates.com is highly accurate and trustworthy.
Local, Regional, and National Coverage: Our systems constantly monitor the market to provide a complete picture of available 1.5-year CD yields across the country. We feature a comprehensive mix of financial institutions — from neighborhood credit unions and competitive regional banks to high-yield CDs from large national institutions.
Daily Updates & Time-Stamped Accuracy: Our rate updaters verify and update CD rates daily. Because yields can fluctuate rapidly based on Federal Reserve policy and market conditions, every CD product listed features its own specific “last updated” date for full transparency.
Proprietary Institution Health & Safety Grades: Beyond tracking rates, MonitorBankRates evaluates the financial stability of every listed institution. Our Health Grades (A+ to F) and Star Ratings are composite metrics calculated using objective regulatory data — including the Texas Ratio — ensuring you deposit with secure, reliable institutions.