Great Plains National Bank CD Rates — October 2026
As of October 22, 2026, Great Plains National Bank's highest tracked CD rate is 4.00% APY on an 18-month promotional CD ($1,000 minimum). That is 2.6 times the FDIC national average for 24-month CDs (1.55%).
Tracking began .
Great Plains National Bank CD rates
CD specials (7, 13 and 18 months) with a $1,000 minimum; no new money required. Early withdrawal penalties may apply.
| Term | Product | APY | vs. Treasury | Source | |
|---|---|---|---|---|---|
| 7 months | CD Rate Special Promotional | $1,000 | 3.85% | −0.58% | Verified October 22, 2026 |
| 13 months | CD Rate Special Promotional | $1,000 | 3.50% | −1.10% | Verified October 22, 2026 |
| 18 months | CD Rate Special Promotional | $1,000 | 4.00% | −0.72% | Top 29% of tracked 18-month CDs · Verified October 22, 2026 |
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.
What are Great Plains National Bank's best CD rates by term?
Great Plains National Bank's best rate is 4.00% APY on 18 months, verified October 22, 2026.
- 7 mo3.85%
- 13 mo3.50%
- 18 mo4.00%
How much interest could a Great Plains National 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.
$606.53 interest · $10,606.53 at maturity on $10,000.00.
4.00% APY · 18 months · CD Rate Special · Promotional · verified October 22, 2026.
Before tax; interest remains deposited. Confirm all product conditions. Estimate one-year purchasing power.
| Term | $5,000 | $10,000 | $25,000 | $50,000 |
|---|---|---|---|---|
| 7 months | $111.453.85% APY · CD Rate Special · Promotional | $222.903.85% APY · CD Rate Special · Promotional | $557.263.85% APY · CD Rate Special · Promotional | $1,114.513.85% APY · CD Rate Special · Promotional |
| 13 months | $189.653.50% APY · CD Rate Special · Promotional | $379.313.50% APY · CD Rate Special · Promotional | $948.273.50% APY · CD Rate Special · Promotional | $1,896.533.50% APY · CD Rate Special · Promotional |
| 18 months | $303.274.00% APY · CD Rate Special · Promotional | $606.534.00% APY · CD Rate Special · Promotional | $1,516.334.00% APY · CD Rate Special · Promotional | $3,032.654.00% APY · CD Rate Special · Promotional |
How Great Plains National Bank compares
Compare the displayed terms, minimums and quote locations. Membership, relationship and new-money conditions may apply. Institution quotes below use the exact 548-day term. Regional peers quote a shared operating state; nationwide best is limited to our tracked sample.
This quote ranks 80 of 331 tracked institutions with fresh 548-day quotes (ties share a rank). Each other institution contributes its highest APY for that exact term; minimums and eligibility can differ.
| Institution / benchmark | Term | Minimum | Who can open | APY | Verified / source date |
|---|---|---|---|---|---|
| Great Plains National Bank (this institution)CD Rate Special · Promotional | 18 months | $1,000 | Branches in OK, TX | 4.00% | October 22, 2026 |
| Bread SavingsBread Savings CD · Standard | 18 months | $1,500 | Available nationwide | 4.85% | October 22, 2026 |
| Popular DirectCD · Standard | 18 months | $10,000 | Available nationwide | 4.75% | October 22, 2026 |
| E*TRADE (Morgan Stanley Private Bank)Bank CD · Standard | 18 months | Not stated | Available nationwide | 4.55% | October 22, 2026 |
| Kirtland Federal Credit Union (highest tracked APY for this term)18-Month Limited-Time Share Certificate · Promotional | 18 months | $500 | Membership required · branches in NM | 5.12% | October 22, 2026 |
| Treasury (APY-equivalent) | 18 months (term-matched estimate) | Depends on purchase method | Federal; interest exempt from state income tax | 4.72% | 2026-10-21 |
Rate changes
See changes across all tracked institutions
No changes since we started tracking Great Plains National Bank on October 22, 2026.
About Great Plains National Bank
- Legal name
- Great Plains National Bank
- Regulator ID
- FDIC 34207
- Headquarters
- Elk City, OK
- Available in
- OK, TX
- Total assets
- $1.9 billion
- Also known as
- Website
- www.gpbankok.com.
Source: rates read from https://www.gpbankok.com/cd-rate-special. See the page text we read.
Frequently asked questions
What is the highest CD rate at Great Plains National Bank?
Among the rates we track, 4.00% APY on an 18-month promotional CD, as of October 22, 2026.
What is the minimum deposit for a Great Plains National Bank CD?
The lowest minimum we found is $1,000.
How does Great Plains National Bank's best CD rate compare with Treasury yields?
4.00% APY is −0.72% versus the 18-month Treasury yield of 4.72% (APY-equivalent) on 2026-10-21. Treasury interest is also exempt from state income tax.
Is 4.00% a good CD rate?
It is 2.6 times the FDIC national average for a similar term (1.55% 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 Great Plains National Bank CDs insured?
Great Plains National Bank is an FDIC-insured bank (FDIC 34207). Deposits are insured up to $250,000 per depositor, per ownership category.
How often is this page updated?
We check Great Plains National Bank's rate page every day. The rates above were last verified on October 22, 2026.
More bank CD rates
Rates are copied from Great Plains National Bank's website and may change at any time. Confirm terms, minimums and eligibility with Great Plains National Bank before opening an account. This page is not financial advice.