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fixed-income
Fixed Income, Currency & Alternative
Should Investors Enhance Their Agg Position in the Face of Rising Rates?
11/18/2016
Bradley Krom , Associate Director of Research


In July 2015, we launched the WisdomTree Barclays U.S. Aggregate Bond Enhanced Yield Fund (AGGY), an exchange-traded fund (ETF) that seeks to track the yield and performance of the Bloomberg Barclays U.S. Aggregate Enhanced Yield Index. The primary rationale that led us toward this approach was that we believed the Bloomberg Barclays U.S. Aggregate Index (Agg) no longer satisfied the income requirements of today’s investors. For passive investors, allowing the yield of the most widely tracked performance benchmark in U.S. fixed income to be diluted by issuance patterns of the U.S. government seemed out of step. In doing so, we believe we have helped create a more intuitive, all-weather strategy for core fixed income. Below, we examine the performance drivers of this approach both since inception and during the most recent period of rising rates.
How Can Investors Boost Yield?
The simplest answer is that they have to assume more risk. Through our enhanced yield approach, we draw from the same investable universe as the Agg but seek to maximize yield while applying a series of qualitative and quantitative constraints. The output of this approach means that since inception, our portfolio has been over-weight in credit risk and the duration (or interest rate risk) of our portfolio has been increased by one year. Since July 2015, credit spreads have tightened while nominal interest rates have declined. In effect, our approach has outperformed on both accounts. As we show below, the strategy has handily outperformed the Agg as well as a significant percentage of higher-fee, actively managed fixed income strategies. However, in discussing this approach with financial advisors, a common question we received was “What happens when rates go up?”
Enhanced Yield vs. the Agg

Enhanced Yield vs the Agg

While we will also discuss the drivers of return below, the only period of rising rates that we can use as a live test case began on July 8. In the chart above, we also compare the performance of the enhanced yield strategy vs. the Agg after rates bottomed on July 8, 2016. Since then, the U.S. 10-Year rose by 78 basis points (bps) to 2.14%.1 Bond math 101 tells us that as interest rates rise, we can approximate the decline in bond prices by this formula: rise in rates X duration

Interestingly, even though our portfolio has a higher duration than the Agg, our strategy performed in line with the lower-risk strategy. Below, we outline how this is possible.
Drivers of Performance

Since our portfolio is in higher-yielding investment-grade (IG) bonds, the additional income we earn on these investments partially offsets the losses we incurred from assuming more interest rate risk. In fact, as of November 10, 2016, by assuming more credit and interest rate risk at the margin, the enhanced yield strategy had an income advantage over the Agg of 58 bps.2  All else being equal, the Agg would need to outperform by 55 bps per year to narrow this performance gap. This would mean that credit spreads would need to widen or interest rates would need to rise more rapidly than our portfolio could earn its way back to even. The key question is, should investors be willing to assume incrementally more risk over a market cycle?
Currently, we would be comfortable making that bet. This is primarily driven by our view that any change in monetary policy by the Federal Reserve reflects its confidence in the health of the U.S. economy. With economic growth still expanding, we believe that investors should continue to be over-weight in credit in their bond portfolios. While credit is less “cheap” than it was to start the year, we don’t currently see many catalysts for why we should see a rapid deterioration in the markets’ pricing of risk. Absent increased fears of recession, a marked deterioration in the health of IG corporations or an unknowable exogenous shock, we believe that an enhanced Agg strategy is worth the additional .20% uptick in volatility compared with the Agg.3
In sum, we believe that investors should prudently increase the risk they are assuming in their aggregate bond portfolios. While no strategy will always outperform, we believe our approach strikes a more appropriate balance between risk and income in today’s market environment.

1Source: Bloomberg, as of 11/10/16.

2Source: Bloomberg, as of 11/10/16.

3Source: Zephyr StyleADVISOR, WisdomTree, as of 10/31/16.

 


Important Risks Related to this Article

There are risks associated with investing, including possible loss of principal. Fixed income investments are subject to interest rate risk; their value will normally decline as interest rates rise. Fixed income investments are also subject to credit risk, the risk that the issuer of a bond will fail to pay interest and principal in a timely manner or that negative perceptions of the issuer’s ability to make such payments will cause the price of that bond to decline. Investing in mortgage- and asset-backed securities involves interest rate, credit, valuation, extension and liquidity risks and the risk that payments on the underlying assets are delayed, prepaid, subordinated or defaulted on. Due to the investment strategy of the Fund, it may make higher capital gain distributions than other ETFs. Please read the Fund’s prospectus for specific details regarding the Fund’s risk profile.
Fixed Income, Currency & Alternative, Interest Rate Strategies


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