Nubank 3.50% APY: How Much $10,000 Earns in One Year

Nubank has officially entered the U.S. market. For American consumers, the headline offer includes a deposit account paying 3.50% APY, fee-free domestic and international transfers, and a no-annual-fee credit card with unlimited 1.5% cash back.

That sounds attractive. But the Money no Sofá question is simpler: what does 3.50% actually put in your pocket?

And more importantly: is 3.50% competitive when some high-yield savings accounts are advertising rates around 4.50%?

The quick answer

On pure yield, 3.50% is below the highest savings rates currently available in the U.S. market. On September 15, 2026, several major personal-finance publications were tracking top high-yield savings offers around 4.50% APY, while the FDIC national average savings rate cited by those reports was about 0.38%.

That means Nubank’s 3.50% sits in an interesting middle ground: dramatically above a low-yield traditional savings account, but below the top end of the current high-yield market.

What 3.50% APY actually pays

Simple one-year illustration using the stated APYs. Actual earnings depend on account terms, balance rules and rate changes.

With $10,000, the gap between 3.50% and 4.50% is roughly $100 over one year. Against a 0.38% savings rate, the difference is much larger: about $312 more at 3.50%.

So why could Nubank still be interesting?

Yield is only one part of a bank account. Nubank’s U.S. launch combines the deposit account with transfers and a no-annual-fee credit card. The company says the U.S. deposit product is being offered through FDIC-insured Lead Bank while Nubank continues the process toward operating under its own U.S. banking charter.

That creates a different value proposition from a savings-only account. Someone who values international transfers, a mobile-first experience and a single financial app may accept a lower APY than the absolute highest rate available.

The $100 question

If you keep $10,000 in cash for a year, would you switch banks for roughly $100 of additional interest?

For some people, yes. For others, convenience is worth more than that difference.

This is why chasing the highest advertised APY can be misleading. A better decision looks at:

• APY and whether it is variable;
• balance caps or direct-deposit requirements;
• monthly fees;
• FDIC or NCUA insurance eligibility;
• withdrawal and transfer rules;
• how easy it is to move money;
• whether the account solves another problem you already have.

Nubank vs. a 4.50% account

If the only objective is maximizing interest on cash, 4.50% beats 3.50%. That is just math.

But if the account also replaces transfer fees, simplifies cross-border money movement or fits the way you already manage your finances, the calculation changes.

The important point is not that one account is automatically better. It is that 1 percentage point has a real dollar value. On $25,000, that gap is about $250 a year. On $100,000, it is about $1,000 a year.

Money no Sofá take

The most useful way to judge the new Nubank U.S. offer is not by the brand name. It is by the money it leaves in your pocket after one year.

3.50% is meaningful compared with low-yield savings. But it is not the highest yield currently available.

If you are considering moving cash, calculate the annual difference first. Then decide whether the extra features are worth the yield you may be giving up.

Want to run the numbers on your own balance? Ask Nova, the Money no Sofá AI, to compare two APYs using the amount you actually keep in savings.

Sources: Reuters, Sept. 10, 2026; Nu Holdings SEC filing; current savings-rate context from U.S. personal-finance rate trackers published Sept. 15, 2026.

This article is for educational purposes and is not financial advice. Rates and product terms can change.