Credit union · NCUA insured
Charter Oak Federal Credit Union Savings Rates
Charter Oak Federal Credit Union’s best savings rate is 0.05% APY on $10,000, with its Regular Savings. Rates checked October 22, 2026.
How Charter Oak Federal Credit Union’s savings rates compare
Compared with banks and credit unions near Norwich, CT, where Charter Oak Federal Credit Union has the most branches. $10,000, best rate first.
This credit union’s best
Charter Oak Federal Credit Union
0.05%APY
- Requires
- None
- Minimum
- —
- Earns on $10,000 a year
- $5
Regular Savings
Top rate
Beacon Bank
3.20%APY
- Requires
- Another account
- Minimum
- $250
- Earns on $10,000 a year
- $320
2nd-highest rate
CorePlus Credit Union
3.00%APY
- Requires
- Monthly account activity
- Minimum
- $0
- Earns on $10,000 a year
- $300
Charter Oak Federal Credit Union savings score
72
Savings score
Higher than 32% of U.S. banks and credit unions
- $1,000 balance$1,0000.05%
- $10,000 balance$10,0000.05%
- $100,000 balance$100,0000.05%
- QualifiedQualified1.30%
Each track runs from the lowest to the highest rate among U.S. banks and credit unions; the dot is this rate.Qualified: needs another account or monthly activity.
Where Charter Oak Federal Credit Union ranks
By savings score, in each area where it has branches
Every rate
Current savings rates
Rates from the credit union’s website. Earnings assume the rate doesn’t change.
Accumulator Money Market
1.30%APY on $10,000
Split rate tiered account; to earn stated APYs, must have a GO Checking, SUN Checking, or EB Checking Account with a month end balance of at least $100 (otherwise earns default APY of 0.05%). Limit of one account per SSN or TIN. Variable rate.
| Part of the balance | Rate on that part |
|---|---|
| Up to $2,000 | 2.50% |
| $2,000 – $6,000 | 1.50% |
| $6,000 – $10,000 | 0.50% |
| $10,000 and up | 0.05% |
On $10,000 the tiers blend to about 1.30% APY, earning $130 a year.
Sources (1)
- charteroak.org/personal-banking/money-markets · captured Oct 4, 2026
Regular Savings
0.05%APY
Establishes Charter Oak membership. Allows unlimited deposits and withdrawals. Dividends credited monthly. Most savings accounts have no minimum balance requirement.
| BalanceRequirement | APY | Earns on $10,000 a yearEarns | Requirement |
|---|---|---|---|
| Any balanceEarns .05% on any balance over 0.Any balance | 0.05% | $5 | Earns .05% on any balance over 0. |
Sources (1)
- charteroak.org/personal-banking/savings-accounts · captured Oct 22, 2026
Special-purpose accounts
Bright Future Savings
0.25%APY
Designed for teens and young adults ages 14–28. Variable split-rate tiered account; rates subject to change. After reaching age 29, account remains open at the discretion of the account holder. Limit of one account per Social Security number. No minimum deposit to open.
| Balance | APY | Earns on $10,000 a yearEarns | Requirement |
|---|---|---|---|
| Up to $2,000Earn 3.00% APY* on balances from $0.01–$2,000 | 3.00% | — | Earn 3.00% APY* on balances from $0.01–$2,000 |
| $2,000 and upEarn 0.25% APY* on any balance over $2,000 | 0.25% | $25 | Earn 0.25% APY* on any balance over $2,000 |
Sources (1)
- charteroak.org/personal-banking/savings-accounts · captured Oct 22, 2026
Health Savings Account
1.50%APY
Must be covered by a qualifying High-Deductible Health Plan (HDHP), not enrolled in Medicare, not covered by another non-HDHP, and not claimed as a dependent on another person's tax return. Tax-advantaged contributions, tax-deferred earnings, and tax-free withdrawals for qualified medical expenses. Non-qualified withdrawals generally subject to income tax and 20% penalty unless age 65 or older, disabled, or deceased.
| Balance | APY | Earns on $10,000 a yearEarns |
|---|---|---|
| Any balance | 1.50% | $150 |
Sources (1)
- charteroak.org/personal-banking/hsa-accounts · captured Oct 22, 2026
Jumbo Money Market
0.10%APY
Available for personal, IRA or business accounts. No maximum limit.
| Balance | APY | Earns on $10,000 a yearEarns |
|---|---|---|
| Up to $10,000 | 0.05% | — |
| $10,000 – $50,000 | 0.10% | $10 |
| $50,000 – $100,000 | 0.20% | — |
| $100,000 and up | 0.30% | — |
Sources (1)
- charteroak.org/personal-banking/money-markets · captured Oct 4, 2026
Who can join Charter Oak Federal Credit Union
This may be incomplete or out of date, so check with the credit union before you apply.
Where you live or work
- Individuals who live, work, go to school, worship, volunteer, or donate in New London County or Windham County are eligible for membership.
Cost to join
- When a member opens an account, Charter Oak deposits a penny into their savings account.
Membership information collected October 4, 2026.