With rates at historically low levels, does
it make sense to invest in long-term bonds? On the other hand,
interest rates on short-term bonds are so low that you might not
be able to keep ahead of inflation with them. What should a bond
investor do in this interest rate environment? Consider using
a bond ladder. Once implemented, this strategy will eliminate
the need to think about the future direction of interest rates.
A bond ladder is a portfolio of bonds of
similar amounts that mature in several different years. For instance,
a $100,000 portfolio might consist of 10 different bonds of $10,000
each, maturing in 10 consecutive years. When a bond matures, the
principal is reinvested in another bond at the bond ladder's longest
maturity date (10 years in this example).
By spreading out the maturity dates, you
lessen the impact of interest rate changes. You hold the bonds
until maturity, so changing interest rates won't result in a gain
or loss when you sell the bond. Since your bonds mature every
year or so, your principal is reinvested over a period of time
instead of in one lump sum. If interest rates rise, you have principal
coming due every year or so to reinvest at the higher rates. In
a declining interest rate environment, you have some funds in
longer-term bonds with higher interest rates. A bond ladder keeps
your bond portfolio invested in a range of maturity dates, evening
out your interest income over time.
But the main advantage is that you don't
continue to hold short-term bonds waiting to decide where interest
rates are headed. Just as predicting where the stock market is
headed is difficult, it is also difficult to predict where interest
rates are headed. Who would have thought a couple of years ago
that interest rates would remain so low for so long?
When designing a bond ladder, decide on
an average maturity date, which could be five, 10, or even 20
years, depending on your financial needs. There should be enough
"rungs" in the ladder so principal is maturing every
year or two. If the rungs mature in longer than two-year increments,
you might miss interest rate changes. Consistently follow your
plan by automatically reinvesting principal at the longest maturity
date.
You can also set maturity dates in your
ladder to coincide with a specific financial need. For instance,
a bond ladder might mature in each of four consecutive years while
your child is in college, allowing you to pay college costs with
maturing principal.
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