Banks are plastering big numbers on certificates of deposit again, and after two years of watching savings account rates bounce around, a 5% CD headline still stops people mid-scroll.
The pitch is simple: lock your money away, get a guaranteed return.
What the ads don't lead with is what you give up to get it.
If inflation is running near 3% and your CD pays 4.5%, your real return is roughly 1.5% before taxes.
Interest is taxed as ordinary income, so depending on your bracket, that cushion thins out further.
You just didn't win as much as the billboard suggested.
A 12-month CD means your cash is effectively frozen unless you pay an early withdrawal penalty, which can eat three to six months of interest, sometimes more on longer terms.
Meanwhile, high-yield savings accounts at online banks have been paying close to what many CDs offer, with zero lockup.
The banks know exactly what they're doing here.
When rates were near zero, nobody wanted deposits.
Now that the Federal Reserve has held rates elevated, banks still need to fund loans, and they'd rather pay you a fixed, predictable rate than watch your money flee to a competitor the moment things shift.
It doesn't necessarily lock in your best outcome.
If you're comparing offers, check the annual percentage yield, not the interest rate, since APY includes compounding.
Also confirm whether the CD auto-renews at maturity, because some banks roll you into a new term at whatever rate they feel like offering that week, and the new rate is often lower than what you originally signed up for.
These let the bank end the deal early if rates fall, sticking you with your money back right when you can't reinvest it as well.
You take the downside; they keep the option.
The genuinely useful move is matching the term to your actual timeline.
Money you need in six months for a car repair or a tax bill doesn't belong in a two-year CD no matter how shiny the rate looks.
Laddering, where you split savings across several maturity dates, keeps some cash accessible without abandoning yield entirely.
One more thing worth checking: deposit insurance limits.
Coverage caps apply per depositor, per bank, per ownership category.
Park a large sum at one institution and you may be exposed above that line, which defeats the entire point of chasing a safe return.
Finally, be skeptical of anyone promising this is a no-brainer.
Rates change, inflation shifts, and the "best" CD today may look mediocre in three months.
Nobody knows where rates go next, including the people selling you the product.
The takeaway is that CDs are a tool, not a strategy.
They work well for money you genuinely won't touch and want insulated from market swings, and they work poorly as a place to stash your emergency fund or your next down payment.
Final Thoughts
Compare APYs across at least three institutions, read the penalty terms before you sign, and remember that the bank's enthusiasm for your deposit is not the same thing as your best interest.