Bond Ladders and Forming an Interest Rate Outlook

This is advanced material, and it sits at the end of the bonds unit for a reason. It assumes you already know what a bond is — a loan you make to a government or company that pays interest and returns your principal at maturity — and that you know yield and price move in opposite directions, that duration measures how hard a bond's price gets hit when rates move, and that interest-rate risk is the risk rising rates push your bond's price down. If any of that is fuzzy, the earlier lessons in this unit will serve you better than this one. Nothing here is required to own bonds sensibly.

The problem this solves

Say you have money to put into bonds and you're deciding on a maturity. Buy short and you get your principal back soon, but you accept whatever modest yield short bonds are paying. Buy long and you lock in a longer stream of payments, but you've committed your money for years — and if rates rise afterward, you're stuck holding a bond paying less than what's newly available, and its price on the open market has fallen.

Either choice is a bet on where rates go next. Buying long says rates won't rise much. Buying short says they might. You are being asked to forecast, and the honest position is that you can't.

A bond ladder is the way out. You split the money across bonds that mature in staggered years instead of picking one maturity. That's the whole idea. The name is grander than the thing.

What a ladder looks like

Video coming soon

This lesson explains the idea in full without it.

Here's a ladder built from five bonds, each with a $1,000 par value — the amount the issuer repays at maturity. Five thousand dollars total. Every number below is illustrative, chosen because it's easy to follow; a real ladder's rungs would be whatever sizes and maturities your money and your goal allow.

Read the right column. It's the same instruction five times, and that repetition is the entire machine.

Year one arrives and rung 1 matures. You get $1,000 back and buy a bond maturing in five years. Now what was rung 2 is a year from maturing, what was rung 3 is two years out, and your new bond sits at the far end. The ladder has shifted down one and grown a new top rung. Year two, the same thing happens. Every year, one rung comes due and goes to the back of the line.

Figure

Why this is the good idea

Look at what you're no longer doing.

You're not choosing a maturity, because you own five of them. In any given year, a slice of your money is coming back to you and getting reinvested at whatever rates happen to be at that moment. If rates have risen, that slice buys the new higher yield — and so does next year's slice, and the one after. If rates have fallen, that slice reinvests at less, but the four rungs you bought earlier are still paying their old, higher coupon until they come due.

The ladder doesn't beat rate moves. It absorbs them, a fifth at a time, in both directions. That's a real tradeoff and worth naming: a ladder gives up the windfall of having guessed right. Someone who loaded up on long bonds right before rates fell does better than you. Someone who did the same right before rates rose does much worse. The ladder trades both tails for the middle.

You also get something a bond fund can't give you. Every rung has a real maturity date, so you know when each $1,000 is scheduled to come back. If a rung's price drops between now and then because rates rose, that decline is on paper — hold to maturity and the issuer still owes you par. That's true only if the issuer pays, which is what credit risk means and why the next section exists.

Tilting the ladder

The ladder above is equal-weighted: the same money on every rung, no maturity favored. It spreads rate risk evenly, and it's the natural choice when you have no view about rates or when rates seem to be going nowhere.

Some investors tilt instead, putting more money on some rungs than others. That's a weighted ladder, and it's a bet:

• Weighted short — more money in the near rungs. This is what you'd do if you expected rates to rise. You'd rather not commit much capital to today's long bonds if better ones are coming, and heavier short rungs mean more money coming back sooner to reinvest at the higher rates you're expecting.
• Weighted long — more money in the far rungs. This is what you'd do if you expected rates to fall. You're locking in today's longer-dated yields before they disappear.

Both are only as good as the expectation behind them. Which brings us to the uncomfortable part.

Forming an interest rate outlook, honestly

An interest rate outlook is your view on the general direction rates are likely to move. The source material this course draws on treats forming one as a routine step. We're going to be straighter with you than that.

Where interest rates go next is arguably the most contested forecast in finance. Central banks, bond desks with enormous research budgets, and professional economists are all trying to answer it, and they are wrong routinely and publicly. Rates respond to supply and demand for credit, central bank policy, inflation, growth, and events nobody has scheduled. If you could reliably call the direction of rates, you would not be reading a free financial literacy course — you'd be selling that skill for a great deal of money.

So hold the outlook loosely. Treat it as a way of understanding what your portfolio is exposed to, not a prediction to act on. Knowing "my ladder is tilted long, so I'm the one who gets hurt if rates rise" is genuinely useful. Believing "rates are going to rise, so I'll tilt short" is a forecast, and you should size it like one.

There are two common ways people build a view.

Where rates sit against their own history

Interest rates have wandered over a wide range across the decades, and they've tended to pull back toward their long-run averages rather than stay at extremes forever. So people look at a benchmark rate — the 10-year Treasury yield is the usual one — and ask two questions: is it above or below its long-run average, and is it near the edge of its historical range?

Both numbers are free and take about two minutes to pull: the Treasury publishes daily yields at treasurydirect.gov, and the Federal Reserve Bank of St. Louis publishes decades of history at FRED. If a rate is sitting at an extreme against that history, the argument goes, market forces are more likely to pull it back than push it further.

Notice how much that argument assumes. "Rates revert to their average" is a tendency observed after the fact, not a law, and it says nothing about when. A rate can sit far from its average for years, and the average itself is nothing more than the history you happened to measure. This is a way to notice you're at an unusual place. It is not a timer.

Figure

What the central bank is signaling

The other input is the Federal Reserve, which sets a policy interest rate that influences the rest. Policy is set by the Federal Open Market Committee (FOMC), which holds eight regularly scheduled meetings a year — plus others as needed — and publishes a statement each time describing how it reads the economy and where policy is headed.

The vocabulary is worth knowing because it's everywhere:

• Accommodative policy — also called dovish. The central bank is holding rates down or pushing them lower, usually to support a weak economy.
• Restrictive policy — also called hawkish. The central bank is holding rates up or pushing them higher, usually to cool inflation.

These statements change little from one meeting to the next, and much of the professional attention goes to small shifts in wording. You can read them yourself; the Federal Reserve publishes each statement and its meeting calendar on its own website, free.

Here's the catch, and it's a big one. The FOMC is telling you what it currently intends. Intentions change when the economy does, the committee's own published projections have missed badly before, and markets often move rates before any meeting happens because everyone else read the same statement. A policy statement is information about today, not a schedule for tomorrow.

Choosing the risk on each rung

Weighting decides when your money comes back. The next decision is what kind of bond sits on each rung — and this one is more concrete and more useful than rate forecasting.

Every rung is a separate choice about credit risk, the risk the issuer doesn't pay you back. Treasuries carry the least; municipal bonds sit in between; corporate bonds carry more, and high-yield bonds — lower-rated bonds paying more to compensate for a higher chance of default — carry the most. The extra yield is the payment for accepting that chance. It is not a bonus.

The way to decide isn't to ask which rung you feel good about. It's to ask what job that money has to do.

• Money you'll actually spend when a rung matures — a tuition bill, a year of retirement income — has almost no room to be wrong. A default or a downgrade there doesn't cost you a percentage point; it costs you the thing you were funding.
• Money that has a decade before it's needed, and that you could leave invested if a rung disappointed, can carry more credit risk, because your circumstances can absorb the loss.

That's risk capacity — what your situation can take — and it's separate from risk tolerance, what you can emotionally sleep through. Both matter, and they're different questions. Your outlook for the economy can inform this too: a weakening economy is when defaults cluster, which is exactly when the extra yield on a lower-rated bond turns out to have been priced for a reason.

This is also why the rungs don't have to match each other. Some people run more credit risk on near rungs, where they can see the issuer's condition clearly, and stay conservative on far rungs earmarked for retirement. Others do the reverse. A ladder can be weighted by risk as well as by maturity.

Figure

Individual bonds or a bond fund?

You now have a ladder on paper. Filling it means buying either individual bonds or bond funds — funds holding many bonds, which the previous lesson covered, including the fact that a bond fund has no maturity date.

You'll see this framed as a question with a right answer. It isn't. It's a tradeoff, and which side wins depends on facts about you.

The tension is plain enough. The literal maturity date is the feature that makes a ladder a ladder, and only individual bonds have it. But diversification is the thing that keeps one bad issuer from wrecking a rung, and with a small amount of money, individual bonds make that expensive to achieve — you can end up with a well-dated ladder concentrated in a handful of issuers, which trades a risk you understand for one you didn't price.

We're not going to tell you which way to go, and be skeptical of anyone who does it without knowing your situation. What we'll say is that the answer turns on how much capital you have, whether the maturity date is load-bearing for a real obligation or merely satisfying, and what the fees cost you against what the diversification buys. If that's a close call with real money on it, it's a reasonable thing to walk through with a professional who is looking at your actual accounts.

Key takeaways

• A bond ladder is bonds bought with staggered maturity dates. Each year one matures, and you reinvest that money at whatever rates are then. That's the whole mechanic.
• The ladder's value is that it works without a forecast. You're always reinvesting a slice at current rates, so rising rates help part of your money and falling rates only hurt part of it. You give up the payoff from guessing right.
• Tilting a ladder toward short or long maturities is a bet on rate direction. Rate direction is one of the hardest forecasts in finance and professionals miss it routinely — so hold any outlook loosely, and treat "I don't know" as a legitimate conclusion that the equal-weighted ladder already answers.
• Set each rung's credit risk by the job that money has to do. Money you'll spend on a date has little room for a default; money you could leave invested longer has more.
• Individual bonds give you a real maturity date and full control; bond funds give you diversification and small minimums. Neither is the right answer in the abstract — it depends on your capital, your obligation, and the fees.