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The Independent Adviser for Vanguard Investors
•
September 2015
•
7
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Long-TermTreasury
Sell.
Long-Term Government ETF
Sell.
Long-Term Bond Index
Sell.
Long-Term Corporate ETF
Hold.
Long-Term Investment-Grade
Hold.
Higher yields often make long-term
funds tempting, but that extra yield
comes with a cost—higher risk. And
with current yields ranging from 2.57%
to 4.84% among Vanguard’s long-term
funds, there isn’t that much extra yield
to be found here anyway. Double-digit
durations mean it wouldn’t take much
of a price decline to overwhelm the
income these funds generate. In the bal-
ance between risk and return, this group
leans decidedly more towards risk. I’d
rather stay shorter, and safer, than be
sorry.
But, if you’re of a mind to go for that
extra yield, I’d still favor the corporate-
oriented funds over the government-
focused ones. Consider that
Long-
Term Treasury
yields only 2.57% but
has a duration of 16.3 years. Similarly,
Long-Term Government ETF
yields
2.70% with a duration of 16.9 years. In
contrast, with
Long-Term Investment-
Grade
you are at least getting more
yield (4.09%) and a slightly shorter
duration (13.1 years). It’s the same story
of more yield and less duration with
Long-Term Corporate ETF
. Once
again, the index fund holding a mix of
government and corporate bonds,
Long-
Term Bond Index
, lands somewhere in
the middle with a yield of 4.01% and a
duration of 14.7 years.
I don’t recommend you buy any of
these long-maturity funds, but if you
have to, I’d pick Long-Term Investment-
Grade. This is the only bond fund at
Vanguard where
both
Wellington and
Vanguard share management duties.
Wellington’s Lucius Hill still is respon-
sible for the bulk of the assets, and has
shown an ability to take risk off the table
at the right times. Yes, the fund’s 16.8%
maximum decline in the credit crisis
looks bad, but it’s a good deal better than
Long-TermCorporate ETF’s 22.5% drop.
Short-Term Inflation Index
Hold.
Inflation-Protected Sec.
Hold.
First, let’s get on the same page and
understand what Treasury Inflation-
Protected Securities (or TIPS) are and
how they work.
TIPS are first and foremost Treasury
bonds, so like traditional Treasurys,
they essentially have no default risk.
However, unlike typical Treasurys,
there is an inflation-indexed compo-
nent to these bonds. The price of these
Treasury inflation bonds is tied to the
recent rate of inflation, and adjusted
every six months according to it. When
inflation is rising, the price of the
bonds goes up. Since the bond’s inter-
est (or coupon) rate remains constant,
the rising principal amount means your
payout also increases. The idea behind
these bonds is that investors’ real
returns, or returns above and beyond
inflation, should remain constant.
When considering an inflation fund,
one calculation that’s always worth
looking at is the spread (or difference)
between its current yield and that of
a Treasury fund with a similar matu-
rity. When the spread is small (i.e.,
the regular Treasury fund’s yield is
only slightly higher than the inflation
fund’s yield), you aren’t paying much
of a premium for inflation protection,
making the TIPS fund relatively attrac-
tive. When the spread is large, you are
paying a premium for that protection.
Today, the difference in yield between
Short-Term Inflation Index
and Short-
Term Treasury is 0.43%, or 43 basis
points. The spread between Inflation-
Protected Securities and Intermediate-
Term Treasury is 117 basis points. Both
spreads are below average, suggesting
insurance for inflation protection is on
sale. But before diving into either of
Vanguard’s inflation bond funds, here
are a few more things to consider.
The younger fund,
Short-Term
Inflation Index
, aims to track the
Barclays U.S. Treasury Inflation-
Protected Securities 0–5 Year Index and
will turn three years old in October. As I
said when the fund was first announced,
investors can see it as a money-mar-
ket alternative for cash that you don’t
need to spend tomorrow. Given that the
fund has sported a negative yield every
month except for two, it’s been a slow
first few years. The fund has not regu-
larly paid out quarterly income, only
distributing income at the end of each
year. Since the end of October 2012,
the fund is down 2.3%. With a yield of
just 0.17%, I wouldn’t expect this fund
to do much beyond preserving the pres-
ent value of your money, in inflation-
adjusted terms—and even that may be
a tall order.
Its older, actively managed sibling,
Inflation-Protected Securities
, also
provides protection from inflation, but
still holds long-maturity bonds and is
extremely sensitive to interest rates—the
average duration in the Vanguard fund is
8.1 years. Fast-rising interest rates knock
down TIPS prices, and if interest rates
increase faster than inflation does, TIPS
will see their prices decline.
Additionally, though TIPS are
Treasury bonds, they are not as popular
or as liquid as traditional Treasurys.
During the 2008 credit crisis, despite
holding high-quality bonds backed
by the U.S. government,
Inflation-
Protected Securities
’ portfolio did not
benefit from investors’ “flight-to-safe-
ty” and lost money on a total return
basis, down 12.5% at its worst.
While both of Vanguard’s inflation
funds can offer some diversification in
an income portfolio, I favor Short-Term
Inflation Index, which is less sensitive
to changes in interest rates. That said, I
prefer short-term corporate bonds over
short-term TIPS.
One final point to keep in mind is
that TIPS are particularly tax ineffi-
cient, since both their income and the
periodic price changes are fully taxable.
Both inflation funds are best used in a
tax-deferred account such as an IRA.
GNMA
Hold.
Mortgage-Backed Sec. ETF
Hold.
Mortgage-backed bonds are created
by pooling mortgages with similar rates
of interest and maturities. Monthly
interest and principal payments on
these mortgages are passed through to
bondholders. Mortgage-backed bonds
come in different flavors with different
levels of guarantees depending on who
pools together the mortgages and sells
the bonds. The Government National
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