APY Ledger

Greenfield Savings Bank CD Rates — October 2026

As of October 22, 2026, Greenfield Savings Bank's highest tracked CD rate is 4.50% APY on a 30-month promotional CD ($10,000 minimum). That is 3.2 times the FDIC national average for 36-month CDs (1.39%). Standard CD rates range from 0.35% to 4.28% APY.

Last verified from www.greenfieldsavings.com · FDIC-insured bank · Greenfield, MA

Tracking began .

Best APY4.50%30 months, $10,000 min
vs. Treasury−0.41%same-term Treasury 4.91%
vs. national average3.2×FDIC national average 1.39%
After inflation0.76%CPI 3.7% year over year
$10,000 earns$1,164over 30 months, before tax

Greenfield Savings Bank CD rates

Published CD rates from 91 days to 60 months, including 7-, 14- and 30-month specials; most terms require $1,000 to open (specials $500, the 30-month special $10,000). Early withdrawal penalties may apply.

Greenfield Savings Bank CD rates
TermProductMinimumAPYvs. Treasury
91 days 91 Day $1,000 3.03%Top 41% · $10k reference sampleVerified October 22, 2026 −1.27%
6 months 6 Month Flex $1,000same APY in 2 balance tiers 0.35%Top 94% · $10k reference sampleVerified October 22, 2026 −4.05%
7 months 7 Month Special Promotional $500 3.04%Verified October 22, 2026 −1.39%
12 months 12 Month $1,000 0.40%Top 94% · $10k reference sampleVerified October 22, 2026 −4.17%
14 months 14 Month Special Promotional $500 4.07%Verified October 22, 2026 −0.55%
18 months 18 Month $1,000 4.18%Top 20% · $10k reference sampleVerified October 22, 2026 −0.54%
24 months 24 Month $1,000 4.18%Top 19% · $10k reference sampleVerified October 22, 2026 −0.69%
30 months 30 Month Special Promotional $10,000 4.50%Verified October 22, 2026 −0.41%
36 months 36 Month $1,000 4.28%Top 10% · $10k reference sampleVerified October 22, 2026 −0.67%
48 months 48 Month $1,000 4.28%Top 10% · $10k reference sampleVerified October 22, 2026 −0.70%
60 months 60 Month $1,000 4.28%Top 13% · $10k reference sampleVerified October 22, 2026 −0.73%

APY = annual percentage yield. "vs. Treasury" compares each APY with the Treasury yield for the same term on 2026-10-21 (converted to APY). Treasury interest is exempt from state income tax; see the T-bill vs. CD calculator.

Watch the renewal rate

The best promotional rate here is 4.50% APY (30 months). The standard rate for a similar term is 4.28% APY (36 months). If the CD renews at the standard rate when it matures, $10,000 would earn about $22 less per year. Check the account terms and set a reminder before maturity.

Calculate the cost of auto-renewal · Set a maturity reminder

What are Greenfield Savings Bank's best CD rates by term?

Greenfield Savings Bank's best rate is 4.50% APY on 30 months, verified October 22, 2026.

  1. 91 days3.03%
  2. 6 mo0.35%
  3. 7 mo3.04%
  4. 12 mo0.40%
  5. 14 mo4.07%
  6. 18 mo4.18%
  7. 24 mo4.18%
  8. 30 mo4.50%
  9. 36 mo4.28%
  10. 48 mo4.28%
  11. 60 mo4.28%

Calculate earnings at 4.50% for 30 months

How much interest could a Greenfield Savings Bank CD earn?

Estimated interest at maturity for the displayed institution quotes, before tax or early withdrawal penalties. Each estimate assumes the quoted APY applies to that balance and interest stays deposited. Estimates use known deposit tiers. Upper balance limits and membership, relationship or new-money requirements must be confirmed with the institution; these are conditional estimates, not personalized offers.

$1,163.93 interest · $11,163.93 at maturity on $10,000.00.

4.50% APY · 30 months · 30 Month Special · Promotional · verified October 22, 2026.

Before tax; interest remains deposited. Confirm all product conditions. Estimate one-year purchasing power.

Add a CD maturity reminder

Estimated CD interest at maturity — conditional on quoted APY eligibility
Term$5,000$10,000$25,000$50,000
91 days$37.353.03% APY · 91 Day · Standard$74.703.03% APY · 91 Day · Standard$186.753.03% APY · 91 Day · Standard$373.493.03% APY · 91 Day · Standard
6 months$8.770.35% APY · 6 Month Flex · Standard$17.530.35% APY · 6 Month Flex · Standard$43.830.35% APY · 6 Month Flex · Standard$87.660.35% APY · 6 Month Flex · Standard
7 months$88.153.04% APY · 7 Month Special · Promotional$176.303.04% APY · 7 Month Special · Promotional$440.743.04% APY · 7 Month Special · Promotional$881.483.04% APY · 7 Month Special · Promotional
12 months$20.000.40% APY · 12 Month · Standard$40.000.40% APY · 12 Month · Standard$100.000.40% APY · 12 Month · Standard$200.000.40% APY · 12 Month · Standard
14 months$238.314.07% APY · 14 Month Special · Promotional$476.624.07% APY · 14 Month Special · Promotional$1,191.544.07% APY · 14 Month Special · Promotional$2,383.084.07% APY · 14 Month Special · Promotional
18 months$317.054.18% APY · 18 Month · Standard$634.104.18% APY · 18 Month · Standard$1,585.264.18% APY · 18 Month · Standard$3,170.524.18% APY · 18 Month · Standard
24 months$426.744.18% APY · 24 Month · Standard$853.474.18% APY · 24 Month · Standard$2,133.684.18% APY · 24 Month · Standard$4,267.364.18% APY · 24 Month · Standard
30 monthsNot estimated$1,163.934.50% APY · 30 Month Special · Promotional$2,909.814.50% APY · 30 Month Special · Promotional$5,819.634.50% APY · 30 Month Special · Promotional
36 months$669.874.28% APY · 36 Month · Standard$1,339.744.28% APY · 36 Month · Standard$3,349.354.28% APY · 36 Month · Standard$6,698.704.28% APY · 36 Month · Standard
48 months$912.544.28% APY · 48 Month · Standard$1,825.084.28% APY · 48 Month · Standard$4,562.704.28% APY · 48 Month · Standard$9,125.404.28% APY · 48 Month · Standard
60 months$1,165.604.28% APY · 60 Month · Standard$2,331.194.28% APY · 60 Month · Standard$5,827.984.28% APY · 60 Month · Standard$11,655.974.28% APY · 60 Month · Standard

How Greenfield Savings Bank compares

Compare the displayed terms, minimums and quote locations. Membership, relationship and new-money conditions may apply. Institution quotes below use the exact 913-day term. Regional peers quote a shared operating state; nationwide best is limited to our tracked sample.

This quote ranks 1 of 76 tracked institutions with fresh 913-day quotes (ties share a rank). Each other institution contributes its highest APY for that exact term; minimums and eligibility can differ.

Greenfield Savings Bank CD rate comparison
Institution / benchmarkTermMinimumQuote coverageAPYVerified / source date
Greenfield Savings Bank (this institution) (highest tracked APY for this term)30 Month Special · Promotional30 months$10,000 Coverage: MA4.50%October 22, 2026
Sallie Mae BankCertificate of Deposit (CD) · Standard30 months$2,500 Nationwide; check eligibility4.50%October 22, 2026
Hanscom Federal Credit UnionShare Certificate · Standard30 months$1,000 Coverage: CA, MA, MD, VA4.25%October 22, 2026
CIBC Bank USA (CIBC Agility)CIBC Agility™ Certificate of Deposit (CD) · Standard30 months$1,000 Nationwide; check eligibility4.00%October 22, 2026
Treasury (APY-equivalent)30 months (term-matched estimate)Depends on purchase methodFederal; interest exempt from state income tax4.91%2026-10-21

Rate changes

See changes across all tracked institutions

No changes since we started tracking Greenfield Savings Bank on October 22, 2026.

About Greenfield Savings Bank

Legal name
Greenfield Savings Bank
Regulator ID
FDIC 90206
Headquarters
Greenfield, MA
Available in
MA
Total assets
$1.5 billion
Also known as
Website
greenfieldsavings.com

Source: rates read from https://www.greenfieldsavings.com/rates. See the page text we read.

Frequently asked questions

What is the highest CD rate at Greenfield Savings Bank?

Among the rates we track, 4.50% APY on a 30-month promotional CD, as of October 22, 2026.

What is the minimum deposit for a Greenfield Savings Bank CD?

The lowest minimum we found is $500; jumbo and higher balance tiers start at up to $10,000.

How does Greenfield Savings Bank's best CD rate compare with Treasury yields?

4.50% APY is −0.41% versus the 30-month Treasury yield of 4.91% (APY-equivalent) on 2026-10-21. Treasury interest is also exempt from state income tax.

Is 4.50% a good CD rate?

It is 3.2 times the FDIC national average for a similar term (1.39% as of 2026-10-19), which is a deposit-weighted average across all U.S. banks and credit unions. Online banks and promotional CDs often pay several times the national average.

Are Greenfield Savings Bank CDs insured?

Greenfield Savings Bank is an FDIC-insured bank (FDIC 90206). Deposits are insured up to $250,000 per depositor, per ownership category.

How often is this page updated?

We check Greenfield Savings Bank's rate page every day. The rates above were last verified on October 22, 2026.

More bank CD rates

Rates are copied from Greenfield Savings Bank's website and may change at any time. Confirm terms, minimums and eligibility with Greenfield Savings Bank before opening an account. This page is not financial advice.