Enhanced Yield Strategies & Rising Rates

Just shy of three years ago, WisdomTree launched the WisdomTree Barclays Yield Enhanced U.S. Aggregate Bond 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 (Enhanced Yield). While our strategy draws from the same investable universe as the Bloomberg Barclays U.S. Aggregate Index (Agg) , it seeks to boost income by reweighting exposures across 20 buckets. In order to maintain a comparable risk profile to the Agg, a series of qualitative and quantitative constraints are run to keep credit and duration over-weights in check. Since interest rates started to rise in 2016, investors have questioned whether a strategy that is one year longer in duration than the benchmark is prudent. As we highlight below, we believe our approach continues to deliver value in the core of investor bond portfolios.

The Trade-Offs of Higher Yield

The two main levers that investors can pull to enhance yield are incremental credit and interest rate risk. Since inception, the strategy has been over-weight credit and has generally been over-weight duration by one year. On average, our approach maintained a yield advantage of 60 basis point (bps) . As we show below, the strategy has outperformed the Agg by 90 bps per year since inception. While 5-year and 10-year interest rates rose over this period, credit spreads tightened and the yield curve flattened . Put another way, our strategy was not dependent on falling rates to generate excess returns versus the Agg. Below, we quantify performance during rising and falling rate periods.

Yield Enhanced: Greater Income and Total Return Outperformance

Average Annual Returns for Enhanced Yield vs. the Agg

Falling Rates

As one would expect, an index with increased duration during a falling rate environment was rewarded. Over the falling rate period, the Index outperformed the Agg by more than 100 basis points. However, what happens to credit spreads in a falling rate environment is also important. Falling rates are often associated with investor fears over slower economic growth. In this instance, credit spread volatility ticked up in the second half of 2015 and early 2016 as fears of a China slowdown weighed on risky assets and commodities. Despite those short-term concerns, credit spreads generally tightened over the period.

Rising Rates

In our view, one of the primary takeaways that investors overlook in our Enhanced Yield Index is the concept of diversification. While our approach is generally over-weight interest rate risk versus the benchmark, it is also generally over-weight credit risk. With few exceptions, periods of rising rates generally coincide with faster economic growth, increases in inflation expectations and a healthier U.S. economy. As a result, credit spreads tend to tighten as the risk of ratings downgrades recedes. In reviewing the performance over the past seven quarters, a period in which 10-Year Treasury yields rose by more than 140 basis points, ¹ the yield-enhanced Index outperformed the Agg by 80 basis points annualized.

• Bottom Line: A credit over-weight resulted in higher income and the ability to benefit from tighter spreads despite the headwinds of increased duration during a rising rate environment. The Index may have a tough time over short periods, such as the year-to-date performance, but over market cycles, the Enhanced Yield approach adds value.

UST 10-Year Yields and Investment-Grade Credit Spreads

Current Performance

While diversification can add value in the long run, there is no guarantee that rates and credit will always move in opposite directions. Year-to-date has been a negative for both: wider credit spreads and higher rates. Over this narrow period, the Index has underperformed the Agg by 45 basis points. Much of the rate rise this year occurred in January and early February, and rates have since been range-bound. As for credit, a host of factors unrelated to economic fundamentals have been floated as to credit widening, largely due to fleeting supply-and-demand factors. In our view, it seems unlikely that this trend will continue indefinitely. As a result, we believe the income advantage has the ability to narrow the performance gap over time. As of April 11, 2018, the additional income advantage over the Agg was 47 basis points. ²

Conclusion

It’s impossible for this Index, or any index, to outperform in all environments. With the Federal Reserve (Fed) hiking interest rates at a measured pace, it seems to us that the central bank views economic conditions as strong. This gives us conviction in being over-weight credit. As a result, our income advantage should help investors generate returns during a period of rising rates, provided they do not rise rapidly. Later in the cycle, credit spreads will inevitably widen. As a result, nominal interest rates should fall as the Fed shifts its bias from tightening to easing. In our view, our Enhanced Yield strategy has the ability to add value across market cycles.

¹ Source: Bloomberg, as of 4/11/18.

² Source: Bloomberg, as of 4/11/18.

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