Damn, pay attention to this number: 4.05% per year.

That's what an ordinary American — the guy in flip-flops at Walmart — can earn without doing absolutely anything by parking money in a Certificate of Deposit (CD) in the United States. In March 2026. In dollars. With federal FDIC insurance up to 250 thousand dollars.

No default risk. No volatility. No need to open a brokerage account. No Instagram guru selling a course on "smart fixed income."

Park the money, go watch Netflix, and the interest drips in.

What the Hell Is a CD and Why Should You Care

For those unfamiliar, a CD is the American equivalent of a Brazilian CDB. You lend your money to a bank for a set period — 6 months, 1 year, 2 years — and the bank pays you a fixed rate. Simple as breathing.

The difference? In the US, the best CD rates are running between 3.80% and 4.05% APY (annual percentage yield). "Oh, but that's nothing!" — I can hear you saying from your high horse with your 14% Brazilian Selic rate.

Hold on. Let's do the math nobody does.

The Math Your Guru Won't Show You

4.05% per year in dollars. A currency that, over the last 30 years, has consistently appreciated against the Brazilian real. A currency that's a global store of value. A currency that, when the world catches fire, everyone runs to.

Now take your 14% Selic rate, subtract 5-6% inflation, subtract 15-22.5% income tax, and tell me: how much net real interest is left? About 4-5% if God's on your side?

The American is pocketing 4% real (inflation there is ~2.5%) in a strong currency. The Brazilian is getting a similar real return in a currency that's melted 80% over 20 years.

Let that sink in.

As Morpheus would say: "You think that's air you're breathing?"

Who Pays These Rates and Why

The best CDs don't come from the big boys like JPMorgan or Bank of America — they pay crumbs, just like Itaú and Bradesco do in Brazil. The best rates come from online banks and smaller credit unions that need to attract deposits and offer a premium for it.

Same principle as Brazilian digital banks that were paying 110%, 120% of CDI to poach customers from the incumbents. Nothing new under the sun.

The thing is, the Fed (America's central bank) kept interest rates at elevated levels longer than the market expected. Result: CDs keep paying rates that, by American standards, are exceptional. Historically, a CD paying 4%+ is rare in the US. From 2009 to 2022, the average citizen got zilch.

What This Means for You, the Brazilian Investor

Three reflections worth more than any research report:

First: Geographic diversification isn't a rich person's luxury. It's survival. If you have 100% of your wealth in reais, you're betting everything on one horse — and that horse has a track record of stumbling badly every 8-10 years.

Second: Fixed income in dollars paying 4% is a historical anomaly. It might not last. If the Fed starts cutting rates more aggressively, these rates vanish. Anyone who locks in a 2-3 year CD now might be making one of the best deals of the decade — on a risk-adjusted basis.

Third: While the Brazilian market crowd fights over scraps of spread on debentures from sketchy companies, people out there are sleeping soundly with 4% guaranteed by the US government. Think about that.

The Question That Lingers

Nassim Taleb always hammers this point: what matters isn't the return, it's the risk of ruin. Anyone with real skin in the game doesn't chase juiced-up yields in a Mickey Mouse currency. They seek asymmetry: low risk of catastrophic loss, reasonable returns, and a good night's sleep.

Now tell me: are you going to keep 100% of your hard-earned money in a currency that's changed its name five times, or are you going to start thinking like someone who plays the long game?

Because the guy in flip-flops at Walmart already made his choice.