Following a three decades-long bull market in bonds, ever increasing numbers of retirees are seeking additional income from conservatively positioned portfolios. This has led to an increasing number of fixed income fund options with a go-anywhere philosophy.
Commonly referred to as unconstrained bond funds, these funds comprise a unique and growing category in the normally staid bond mutual fund space; they bear consideration from advisors who are accustomed to selecting fixed income products positioned around an index.
The unconstrained approach, and the flexible options it can create for a fund manager adept at asset allocation, can provide attractive returns. A quick review of the total returns generated by indices representing various segments of the fixed asset class over the past 10 years illustrates this point.
During the past year, higher-risk U.S. corporate bondsrepresented by the BofA Merrill Lynch US High Yield Constrained Indexhave returned 8.37% as the prospects for highly leveraged U.S. corporations have brightened, and an investor who overweighted this segment of the fixed asset class would have benefited greatly.
Conversely, overweighting the long end of the Treasury curve, represented by the Barclays U.S. Treasury Bond Long Indexwhich declined 4.90% as the market became focused on the impact of the winding down of the Federal Reserves quantitative-easing programwould have proved detrimental.
Over time, higher-risk segments of the fixed income market, such as emerging market debt and high-yield corporates, have generally posted higher total returns. But allocating to them at the right entry point in the credit cycle is the key.
Indeed, a strategy of overweighting high-yield corporates while underweighting U.S. Treasuries, which worked so well this past year, would have turned out quite badly in 2008. That year, the BofA Merrill Lynch US High Yield Constrained Index declined 26.11%, while the Barclays U.S. Treasury Bond Long Index gained 24.03%.
TIMING IS EVERYTHING
To get the timing right, advisors need a solid understanding of how asset classes have behaved historically relative to one another. A correlation matrix, depicting how a diverse mix of fixed income asset classes using broad bond indices as proxies have performed relative to one another over the past 10 years, helps to illustrate.
As you see in the first column of the table, asset classes such as U.S. high-yield corporates, represented by the BofA Merrill Lynch US High Yield Constrained Index, had a correlation of only 0.26 to the broadly diversified Barclays U.S. Aggregate Bond Index fixed income benchmark during the 10-year period ended February 28, 2014. High-yield corporates having a correlation of 1.00 to the Barclays U.S. Aggregate Bond Index, rather than 0.26, would imply that the index generated the same positive total returns during each period as a set of diversified bonds, and vice versawhen diversified bonds declined, high yield would have declined as well.
Because the correlation is not a perfect 1.00 but rather a relatively low one of 0.26unlike emerging market bonds at 0.64 (represented by the JP Morgan EMBI Global Index) and European bonds at 0.42 (represented by the Barclays Euro Aggregate Bond Index)during various periods the unconstrained approach may have offered fixed income investors more attractive total return opportunities, albeit with higher credit risk, than an approach that only considered the passively allocated mix of the Barclays U.S. Aggregate Bond Index. So, historically, the opportunities have been there for funds that follow the unconstrained approach. This has recently captured the attention of some advisors and their clients during a period when fixed income total returns have been lackluster.
Since Lipper began tracking the net flows of the alternative credit-focused peer group on September 1, 2013, through February 28, 2014, $20.3 billion net has flowed into the mutual funds (excluding ETFs) within this classification. This compares with $12.4 billion of net outflows from mutual funds within the core bond
Traditional bond mutual funds, such as core bond funds, are usually constrained to a bond index such as the Barclays U.S. Aggregate. This means, according to the funds prospectuses, they are generally required to maintain sector overweighting or underweighting within a range relative to the index itselfusually plus or minus 5%-10% of the relevant index. These prospectus constraints also usually apply to the funds average credit-quality mix, which is expected to be similar to that of the index.
Unconstrained bond funds have no such constraintsa key difference for advisors to bear in mind. This may give pause to advisors who feel their clients portfolios will benefit from allocations across each standard fixed income bucket: duration, quality and maturity. These advisors may want to consider using unconstrained funds in a smaller allocation with overall portfolio diversification in mind, or for the more aggressive segments of portfolios for clients who are comfortable with a goal of higher expected total return at the expense of more unpredictable asset allocations.
To illustrate the diversity of asset allocations within this sector, a closer look at two funds in the segment is useful. At year-end 2013, Mainstay Unconstrained Bond Fund (MASAX) had a heavy allocation to domestic corporate (60.2%) and foreign corporate bonds (14.6%), with an additional allocation to loans (8.4%) and convertibles (2.6%). The fund returned 3.89% for 2013, while the Barclays U.S. Aggregate Index declined 2.02%.
Another popular offering is the PIMCO Unconstrained Bond Fund (PUBAX). This fund had a more diverse allocation, with U.S. government securities (19.0%), mortgages (15.0%), domestic corporates (11.0%), non-U.S. developed governments (13.0%) and emerging markets debt (5.0%) in its mix as of February 28, 2014. The fund declined 2.60% for 2013.
MORE TO COME
In February 2014, Neuberger Berman launched its Unconstrained Bond Fund (NUBAX). It will be interesting to see in the coming months how a newly launched product that follows this objective will be positioned, particularly since more offerings are anticipated soon from other fund complexes.
Advisors who are open to updating their views on fixed income allocation may want to take another look at unconstrained products, since the tailwinds on both the demand sideas more investors seek total returnand on the supply sideas more investment managers gain expertise with the approachremain strong.
Barry Fennell is a senior research analyst at Lipper specializing in mutual fund and ETP analysis. Prior to joining Lipper, he was a Director at Fidelity Investments, where he wrote extensively on fund performance and assisted with new product development.
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