Building a better index with strategic betaContributor Yazann Romahi
With the global economy warming up, but political uncertainty remaining a constant, it’s more important than ever for investors to position their global portfolios to navigate long-term market volatility. That’s where the power of diversification comes in, says Yazann Romahi, Chief Investment Officer of Quantitative Beta Strategies at J.P. Morgan Asset Management and Lead Portfolio Manager of JPMorgan Diversified Return International Equity ETF (JPIN).
Not all diversified portfolios are alike
In their search for diversification, many investors turn to passive index ETFs, which track a market cap-weighted index. But these funds aren’t always the most effective way to steer a steady course through volatile markets—and there are two key reasons why.
First, traditional market cap-weighted indices are actually less diversified than investors may think. For example, in the S&P 500, the top 10% of stocks account for half the volatility of the index. Within sectors, while you might assume that sector risk is distributed across the ten major sectors fairly evenly, it is a surprise to many that at any point in time, one sector can be as high as 50% of the risk.
Second, cap-weighted indices come with some inherent weaknesses, including exposure to unrewarded risk concentrations and overvalued securities. So, while these indices provide investors with exposure to the equity risk premium and long-term capital growth, as is the case with any other investment, investors can also experience painful downturns, which increase volatility and reduce long-term performance. For investors seeking equity exposure with broader diversification—and potentially lower volatility—strategic beta indices may be better positioned to deliver the goods.
How do we define strategic beta?
Strategic beta refers to a growing group of indices and the investment products that track them. Most of these indices ultimately aim to enhance returns or reduce risk relative to a traditional market cap-weighted benchmark.
Building on decades of proven research and insights, J.P. Morgan’s strategic beta ETFs track diversified factor indices designed to capture most of the market upside, while providing less volatility in down markets compared to a market cap-weighted index. Rather than constructing an index based on market capitalization—with the largest regions, sectors and companies representing the largest portion of the index—our strategic beta indices aim to allocate based on maximizing diversification along every dimension—sectors, regions and factors. The index therefore seeks to improve risk-adjusted returns by tackling the overexposure to risk concentrations and overvalued securities that come as part of the package with traditional passive index investing.
So, how do you build a better index?
As one of just a few ETF providers that combine alternatively-weighted and factor-oriented indices, our disciplined index methodology is designed to target better risk-adjusted returns through a two-step process.
First, we seek to maximize diversification across the risk dimension. This essentially means that we look to ensure risk is more evenly spread across regions and sectors, which balances the index’s inherent concentrations. As uncontrolled risk concentrations are unlikely to be rewarded over the longer term, we believe investors should strive for maximum diversification when constructing a core equity exposure.
Second, we seek to maximize diversification across the return dimension. Research shows that there are a number of sources of equity returns beyond growth itself. These include risk exposures such as value, size, momentum and quality (or low volatility). When creating a diversified factor index in partnership with FTSE Russell, we seek to build up the constituents with exposure to these factors. We therefore select securities through a bottom-up stock filter, scoring each company based on a combination of these return factors to determine whether it is included in the index. These factors provide access to a broader, more diversifying source of equity returns as they inherently deliver low correlation to one another, providing diversification in the return dimension.
So, whereas traditional passive indices allow market cap to dictate allocations, the diversified factor index seeks to ensure that we minimize concentration to any source of risk—whether it be region, sector or source of return.