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Certificates are a secure savings accounts that earn a fixed rate over a set time — so your money grows predictably without risk.

Grow your money steadily — with rates as high as 3.25% APY

Open a Certificate online in minutes

Unlike savings accounts with variable rates, Certificates lock in your return — so you always know exactly how much you’ll earn.

What are Certificates best for?

  • Down payment savings: grow money safely over 9 or 18 months
  • Low-risk investing: better returns than savings accounts, with no market swings
  • Money you won’t touch: lock it in and avoid spending it until you know you will need it
  • Planned expenses: great for a vacation you’re planning, weddings, or other large purchases

Why choose OSCU?

  • Competitive rates (up to 3.25% APY) — nearly 2x the national bank average
  • Local, trusted credit union
  • No monthly fees
  • Fast, fully online setup — no branch visit required

A smarter way to grow your money — without risk

If you’re looking for a safe way to invest or grow your savings, Certificates offer fixed returns with zero market volatility — making them one of the most predictable options available.

  • Choose 9 months (3.25% APY) if you want higher returns sooner
  • Choose 18 months (3.00% APY) if you’re saving for a longer-term goal

Get started with $500 or more.

New members | open online

Certificate account calculator*

Estimate how much your money could grow.

Certificate Information

Assumptions

*Interactive calculators are made available as self-help tools for your independent use and are not intended to provide financial advice. We cannot and do not guarantee their applicability or accuracy in regard to your individual circumstances. All examples are hypothetical and are for illustrative purposes. We encourage you to seek personalized advice from qualified professionals regarding all personal finance matters.

Online Certificate details

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LATEST UPDATES & OFFERS

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Save Offer

Earn 3.75% APY* on an 18-Month Bump Certificate

Learn more about this special certificate offer
Limited-time Offer

Mortgage loan offer: Get up to $1,000 toward closing costs!

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Digital Banking

Coming Summer 2026: New state-of-the-art digital banking experience!

Learn more | Digital Resource Center
Spend Offer

Open a checking account and get a $300 bonus.

Learn more about this $300 checking bonus offer

Beyond credit: Better banking at OSCU

Checking that keeps you grounded, with a $300 bonus when you join.