Investors hunting for yield have spent most of the past decade grumbling about paltry payouts.
Lately, the tax-exempt corner of the bond market is handing them something worth a second look.
Yields on high-grade municipal bonds have climbed to levels not seen since before the pandemic, and for households in upper tax brackets, the math is getting harder to ignore.
A muni bond issued by a state, city, or school district pays interest that is generally exempt from federal income tax, and often from state tax too if you live where the bond was issued.
That means a 4% tax-free yield can be worth considerably more than a 4% taxable one once the IRS takes its cut.
For someone in the 32% federal bracket, a 4% muni yield delivers the same after-tax income as a taxable bond yielding roughly 5.9%.
Bump up to the 37% bracket, and that same muni competes with a taxable yield north of 6.3%.
Those are numbers that make people who normally skip past municipal offerings stop and pay attention.
A long stretch of Federal Reserve rate hikes pushed yields up across the fixed-income universe, and munis came along for the ride.
At the same time, many individual investors pulled money out of muni funds, forcing issuers to offer richer coupons to attract buyers.
Supply has also been heavy as states and local governments refinance old debt and fund new projects.
A city or hospital system can run into trouble and miss payments, which is why credit quality deserves a real look before you buy.
Individual bonds also trade in a market that is far less transparent than the stock exchange, so spreads can eat into returns if you sell before maturity.
The easiest on-ramp for most households is a municipal bond fund or ETF, which spreads risk across hundreds of issuers and lets you buy in with a few hundred dollars.
The trade-off is that fund prices move with interest rates, so the value can dip even while the income keeps flowing.
If you hold individual bonds to maturity, you get your principal back assuming the issuer stays solvent.
One more wrinkle worth knowing: tax-exempt interest can affect how much of your Social Security benefits gets taxed, and it counts toward the income thresholds used to calculate Medicare premiums.
That does not erase the appeal, but it means the true after-tax benefit depends on your full picture, not just the headline yield.
For retirees living off portfolio income, or anyone sitting in a high tax bracket with cash parked in a savings account earning a taxable 4%, the comparison is worth running.
Do the math on your own marginal rate before assuming munis are only for the wealthy.
Our take: munis have quietly become one of the more compelling income plays for tax-sensitive investors, but they reward homework.
Check the credit, understand the call features, and compare the after-tax yield against a plain Treasury before you commit.
Final Thoughts
The window may not stay this wide forever.