APY Ledger rate-source excerpt. APY Ledger is an independent rate tracker, not affiliated with this institution.
Lines containing rates, copied from the public page below; open that page for full terms. Never enter account details on apyledger.com.

Source: https://www.dieterichbank.com/rates-center/
Read: 2026-10-22T16:21:40.000Z

Rates Center | Dieterich Bank
APY = Annual Percentage Yield
Term | Rate | APY | Minimum Balance | Penalty
7 – 31 Day | 0.10% | 0.10% | $10,000 | 7 days
3 Month | 3.45% | 3.51% | $2,500 | 91 days
6 Month | 3.49% | 3.55% | $1,000 | 91 days
9 Month | 3.54% | 3.60% | $500 | 270 days
12 Month | 3.64% | 3.70% | $500 | 365 days
18 Month | 3.64% | 3.70% | $500 | 365 days
24 Month | 3.06% | 3.10% | $500 | 365 days
30 Month | 2.47% | 2.50% | $500 | 365 days
36 Month | 3.06% | 3.10% | $500 | 365 days
48 Month | 3.01% | 3.05% | $500 | 365 days
60 Month | 2.96% | 3.00% | $500 | 365 days
Rate | APY | Minimum Balance | Penalty
0.08% | 0.08% | $1,000 | $5.00
Tier | Rate | APY | Minimum Balance
$0.01 – $10,000 | 3.93% | 4.00% | $25
$10,000 + | 0.20% | 4.00% – 0.20% | n/a
All Balances (If requirements are not met.) | 0.10% | 0.10% | n/a
* Extreme Green Checking is available only for residents of the following Illinois counties: Bond, Clark, Clay, Clinton, Coles, Crawford, Cumberland, Effingham, Fayette, Jasper, Madison, Marion, Monroe, Montgomery, Randolph, Richland, Shelby, St Clair, and Washington. *APY=Annual Percentage Yield. APYs accurate as of 10/1/2024. Rates may change after account is opened. Minimum to open is $25. If qualifications are met each monthly qualification cycle: (1) Domestic ATM fees incurred during qualification cycle will be reimbursed and credited to account on the last day of monthly statement cycle; (2) balances up to $10,000 receive APY of 4.00%%; and (3) balances over $10,000 earn 0.20% interest rate on portion of balance over $10,000, resulting in 4.00% – 0.20% APY. If qualifications are not met, all balances earn 0.10% APY. Qualifying transactions must post to an account and settle during monthly statement cycle. Transactions may take one or more banking days from the date transaction was made to post to an account and settle . ATM-processed transactions do not count towards qualifying debit card transactions. ATM reimbursement cap is $15 per cycle.
Tier | Rate | APY | Minimum Balance
$0.01 – $20,000 | 3.93% | 4.00% | $25
$20,000 + | 0.20% | 4.00% – 0.20% | n/a
All Balances (If requirements are not met.) | 0.10% | 0.10% | n/a
* Extreme Green Savings is available only for residents of the following Illinois counties: Bond, Clark, Clay, Clinton, Coles, Crawford, Cumberland, Effingham, Fayette, Jasper, Madison, Marion, Monroe, Montgomery, Randolph, Richland, Shelby, St Clair, and Washington. The primary owner must be the primary owner on an Extreme Green Checking Account to qualify. If qualifications are met each monthly qualification cycle in the Extreme Green Checking account: (1) balances up to $20,000 will earn 4.00% APY; (3) balances over $20,000 will earn 0.20% APY on portion of balance over $20,000; (4) if qualifications are not met, all balances will earn 0.10%APY.
Account Name | Rate | APY | Minimum Balance | Penalty
16-Month Duo CD | 0.85% | 0.85% | $5,000 | 365 days
Duo Savings Account | 0.55% | 0.55% | $25 | $3 fee if below $25
Tier | Rate | APY | Minimum Balance | Penalty
$0.01 – $24,999.99 | 0.15% | 0.15% | $1,000 | $5.00
$25,000 – $99,999.99 | 0.25% | 0.25% | n/a | n/a
$100,000 – $499,999.99 | 0.50% | 0.50% | n/a | n/a
$500,000 + | 1.05% | 1.06% | n/a | n/a
** Rates may change after account is opened. There is no minimum to open account or to obtain the advertised APY. Account holder will be automatically rolled into our regular savings account, Save Green, at age 13.
Tier | Rate | APY
$0.01 – $4,999.99 | 0.15% | 0.15%
$5,000 – $9,999.99 | 0.40% | 0.40%
$10,000 + | 0.85% | 0.85%
** Rates may change after account is opened. There is no minimum to open account or to obtain the advertised APY. Account holder will be automatically rolled into our regular savings account, Save Green, at age 13.
Tier | Rate | APY | Minimum Balance | Penalty
$0.01 – $4,999.99 | 0.10% | 0.10% | $25.00 | $3.00 fee if balance below $25
$5,000 – $24,999.99 | 0.10% | 0.10% | n/a | n/a
$25,000 – $99,999.99 | 0.20% | 0.20% | n/a | n/a
$100,000 + Balance | 0.35% | 0.35% | n/a | n/a
** Rates may change after account is opened. There is no minimum to open account or to obtain the advertised APY. Account holder will be automatically rolled into our regular savings account, Save Green, at age 13.
Rate | APY
0.50% | 0.50%
Rate | APY | Minimum Balance | Penalty
1.49% | 1.50% | $2 min | n/a
Rate | APY
0.60% | 0.60%
Rate | Minimum Balance | Monthly Fee | Minimum Balance Penalty
n/a | n/a | n/a | n/a
Rate | Minimum Balance | Monthly Fee | Minimum Balance Penalty
.08% | $2,500 | $10 | $10
Tier | Rate | Minimum Balance | Minimum Balance Penalty | Monthly Fee
$0.01 – $24,999.99 | 0.15% | $1,000 | $5 | n/a
$25,000 – $99,999.99 | 0.25% | $1,000 | $5 | n/a
$100,000 – $499,999.99 | 0.50% | $1,000 | $5 | n/a
$500,000 + Balance | 1.05% | $1,000 | $5 | n/a
Tier | Rate | APY | Minimum Balance | Penalty
$0.01 – $4,999.99 | 0.10% | 0.10% | $100.00 | $3.00 fee if balance below $100
$5,000 – $24,999.99 | 0.10% | 0.10% | n/a | n/a
$25,000 – $99,999.99 | 0.15% | 0.15% | n/a | n/a
$100,000 + Balance | 0.20% | n/a | n/a | n/a