Treasury’s latest auction of 13-week bills cleared at an annualized rate north of 5%, and that headline number has a lot of people wondering whether it’s finally worth moving money out of a savings account that pays barely 0.5%.
Here’s the short version: a Treasury bill, or T-bill, is a short-term loan you make to the federal government.
You buy it at a discount, it matures in a few weeks or months, and you get the full face value back.
No monthly statements, no minimum balance games, no waiting on a bank to “review” your rate.
While the Federal Reserve holds its benchmark rate steady, T-bill yields have stayed elevated because investors are demanding more to lend Uncle Sam money over the short haul.
That means yields on 4-week, 8-week, 13-week, and 26-week bills have been sitting in a range that would have looked absurd three years ago, when the same instruments paid closer to 0.05%.
Because the process feels clunky if you’ve never done it.
You open an account at TreasuryDirect.gov or buy through a brokerage like Fidelity, Schwab, or Vanguard.
You place what’s called a noncompetitive bid, which basically says “I’ll take whatever yield the auction sets.” Then you wait for the auction results and your bill shows up in your account.
The catch that trips people up is liquidity.
If you buy a 26-week bill and need the cash in week 10, you have to sell it on the secondary market, and the price you get depends on where rates have moved.
You could get back less than you put in if yields have risen since you bought.
That’s not a disaster, but it’s not the same as a savings account you can drain on a Tuesday afternoon.
T-bill interest is exempt from state and local income tax, which is a genuine perk if you live in a high-tax state like California or New York.
But it’s still fully taxable at the federal level, so it’s not a free lunch.
For households sitting on cash they won’t need for a few months, the math is worth running.
If you have $10,000 parked in a big-bank savings account paying 0.4%, you’re earning about $40 a year.
The same $10,000 in a 13-week T-bill at 5% would earn roughly $125 over that period if you rolled it.
That’s not life-changing, but it’s the difference between a tank of gas and a decent dinner out, and it compounds if you keep rolling.
The bigger question is whether this window stays open.
Yields move with expectations about Fed policy, inflation, and how much debt the government is issuing.
If the Fed cuts rates later this year, T-bill yields will likely drift lower, and the gap between these auctions and the best online savings accounts will narrow.
Some online banks are already paying 4.5% or more with zero effort required.
T-bills offer a slightly higher yield and a state-tax break, but they ask you to manage auctions, maturities, and reinvestment.
A high-yield savings account pays a bit less but takes about ten minutes to set up and never surprises you.
If you’ve got a chunk of cash earmarked for a tax bill, a home repair, or a car purchase six months out, a T-bill ladder is a reasonable place to park it.
If your emergency fund is the money in question, keep it liquid and boring.
The point isn’t to squeeze every basis point.
Final Thoughts
It’s to stop letting your bank pay you 0.4% while it lends your money out at 5%.