Indexology^® Blog

In part 1 of this blog, we saw how falling real interest rates reduce the retirement income a given account balance can support. In part 2, we focus on how interest rate risk may potentially be managed through an income-focused asset allocation.

The S&P STRIDE (S&P Shift to Retirement Income and Decumulation) indices measure the allocation shown in Exhibit 1. The allocation has two features that differentiate it from the glide path typically followed by regular target date indices. First, in an attempt to better manage market risk, the glide path of S&P STRIDE allocates 25% of index constituents to equities at the target date (or retirement), compared to about 50% for the industry average.¹ Second, the S&P STRIDE glide path includes a substantial index constituent allocation to long-maturity TIPS when approaching the target date, which is designed to help manage both interest rate and inflation risk. The S&P STRIDE allocation seeks to hedge this risk by including TIPS constituents with an interest rate sensitivity similar to the cost of 25 inflation-indexed payments starting at the target retirement date. This way, when interest rates decrease, the cost of future consumption goes up, but so does the account balance. With the appropriate TIPS portfolio, the two effects approximately offset each other, making retirement income less volatile.

How did the S&P STRIDE approach fare in 2020? Exhibit 2 considers the hypothetical experience of a cohort of investors retiring in 2020. We compare two index constituent allocations: the S&P STRIDE 2020 Index and the S&P 2020 Target Date Index, which seeks to represent the average asset allocation of U.S.-based 2020 target date funds.² Starting with a theoretical $1M investment at the beginning of 2020, the bars show the theoretical real income that each allocation can afford, determined by balance amounts and real interest rates at the beginning of each month.

The S&P 2020 Target Date Index performance was –4.3% in theoretical real income terms in 2020. By contrast, the S&P STRIDE 2020 Index performance was 1.6%, an outperformance of 5.9 percentage points. Importantly, this difference was not driven by the S&P STRIDE Index’s lower exposure to equities. Given that equity markets rebounded substantially since March 2020, this outperformance may be attributed to S&P STRIDE’s long-dated TIPS allocation. While bond constituents in the S&P 2020 Target Date Index offered some protection from interest rate risk, their maturities were too short to fully offset the theoretical income loss.

As eventful as 2020 was, S&P STRIDE Index’s income-focused approach proved its potential as a tool to help mitigate interest rate and inflation risk.

¹ Figure based on the S&P Target Date 2020 Index, which reflects the average asset allocation across 2020 target date funds. See S&P Target Date Scorecard Year-End 2019 (link) and S&P’s “Making STRIDEs in Evaluating the Performance of Retirement Solutions” (link).

² See “S&P Target Date Index Series Methodology” (link) for a complete description.

Investments involve risks. The investment return and principal value of an investment may fluctuate so that an investor’s shares, when redeemed, may be worth more or less than their original value. Past performance is not a guarantee of future results. There is no guarantee strategies will be successful.

The S&P STRIDE Index Series was developed in collaboration with Dimensional Fund Advisors LP (“Dimensional”), an investment advisor with the U.S. Securities and Exchange Commission. Dimensional Fund Advisors LP receives compensation from S&P Dow Jones Indices in connection with licensing right to the S&P STRIDE Indices.

This year will be key in the London Inter-Bank Offered Rate (LIBOR) transition. After consultation on ending the publication of LIBOR in USD, GBP, EUR, CHF, and JPY, the administrator of LIBOR, the ICE Benchmark Administration (IBA), may announce its decision soon. The announcement of LIBOR cessation would trigger the spread adjustment to be fixed as a component of the LIBOR fallback rate for derivatives contracts with fallback provisions governed by ISDA.¹ For legacy non-consumer cash products referencing USD LIBOR, this fixed spread adjustment would be added to a form of SOFR to replace USD LIBOR as recommended by the ARRC.²

IBA’s consultation in December 2020 indicated its intention to cease the publication of LIBOR in GBP, EUR, CHF, and JPY, as well as 1-week and 2-month USD LIBOR at the end of 2021, along with major USD LIBOR tenors (overnight, 1-month, 3-month, 6-month, and 12-month) in June 2023. Despite the potential delay of USD LIBOR cessation to mid-2023, U.S. regulators are encouraging no new USD LIBOR contracts after the end of 2021, while allowing most legacy contracts to mature before USD LIBOR stops.

On derivatives contracts, progress has been made in LIBOR transition with the ISDA 2020 IBOR Fallbacks Protocol having taken effect on Jan. 25, 2021. The ISDA leads the initiative to improve the derivatives contract robustness to address the risk of LIBOR discontinuation. The ISDA’s protocol provides standard fallback language for IBOR-based derivatives (including LIBOR) on a voluntary basis. It lays out a clear path to transition to replacement rates for the USD 200 trillion USD LIBOR derivatives market.

The other milestone in listed derivatives’ LIBOR transition also took place on Jan. 25 when CME provided details on proposed methodology for transitioning Eurodollar futures and option contracts. Because of Eurodollar futures and options’ close relation to OTC LIBOR-based derivatives, CME aligns with ISDA in its Eurodollar futures and options fallback language. Upon a fallback trigger, Eurodollar futures would be converted to 3-month SOFR futures, with prices adjusted in line with the ISDA approach. Eurodollar futures options would be replaced with corresponding 3-month SOFR options, with strike adjusted using ISDA’s spread adjustment.

On cash products, the ARRC has recommended fallback language for floating-rate notes, bilateral business loans, syndicated loans, and saucerization products for market participants’ voluntary use. For contracts that do not have fallback language or that fall back to a rate based on LIBOR, the ARRC-proposed LIBOR transition legislation was included in the New York State 2022 budget and presented in January 2021. As many cash products referencing USD LIBOR fall under New York law, the proposed legislation will help contracts make an orderly switch to replacements when LIBOR ends.

¹ The International Swaps and Derivatives Association (ISDA) is a trade organization of participants in the market for over-the-counter derivatives. It is headquartered in New York City, and has created a standardized contract to enter into derivatives transactions.

² The Alternative Reference Rates Committee (ARRC) is a group of private market participants convened by the Federal Reserve Board and the New York Fed to help ensure a successful transition from U.S. dollar LIBOR to a more robust reference rate, its recommended alternative, the Secured Overnight Financing Rate (SOFR).

In April 2020, we launched the S&P PACT^TM (Paris-Aligned Climate Transition) Indices. The indices aim to align with a 1.5^oC climate scenario, the EU’s minimum standards for EU Climate Transition Benchmarks and EU Paris-Aligned Benchmarks, and the recommendations of the Task Force on Climate-related Financial Disclosures (TCFD), while maintaining a broad, diversified exposure. The S&P PACT Indices consist of the S&P Paris-Aligned (PA) Climate Indices and S&P Climate Transition (CT) Indices. The index methodology excludes certain companies (exclusion effect), then reweights remaining constituents (reweighting effect) based on their climate performance (see Exhibit 1), as discussed in a previous blog.

We published a paper explaining the weight attribution of constituents in the S&P PACT Indices, where we isolated the transition pathway, environmental score, physical risk, and level of high climate impact revenue as important weight drivers. In this blog, we assess how sector allocations (see Exhibit 2) are driven by the climate factors and exclusions listed above within the S&P Eurozone PACT and the S&P Europe PACT Indices.

The Energy sector was allocated zero weight in the S&P Eurozone LargeMidCap PA Climate Index and the S&P Europe LargeMidCap PA Climate Index, largely due to the methodology’s exclusion of companies that participate in oil operations. Meanwhile, Energy companies were eligible, but still underweighted in the S&P Eurozone LargeMidCap CT Index and S&P Europe LargeMidCap CT Index, as all companies were misaligned with their 1.5^oC budget (see Exhibits 7 and 9). Within the S&P Eurozone LargeMidCap CT Index, one Energy company was overweighted. This company showed a strong environmental score, low physical risk, and was the closest to the 1.5^oC compatibility goal of all the Energy stocks. Within the S&P Europe LargeMidCap CT Index, another Energy company was overweighted—this was the second-closest stock to the 1.5^oC compatibility requirement.

Unlike the S&P Europe LargeMidCap CT Index, no Utilities companies were excluded from the S&P Eurozone LargeMidCap CT Index due to power generation revenues, but many were excluded for gas operations in both indices (see Exhibits 4 and 5). Among the S&P PACT Indices in Europe and the Eurozone, Utilities received an underweight within the PA strategy, but an overweight within the CT series, largely due to differences in exclusion requirements. Energy and Utilities are generally considered among the highest-emitting sectors. Some Utilities companies are on a trajectory in line with the 1.5^oC regulation, resulting in a vast weight improvement relative to Energy companies within the CT indices.

Financials was overweighted within the S&P Europe and Eurozone LargeMidCap PA and CT Indices. This is due to Financials being the largest sector within these indices—it was not affected by exclusions, which accounted for 16.5% of excluded weight from other sectors. If this weight is added to each constituent on a pro-rated basis (in line with the index’s objective function), then Financials would receive an overweight by having no excluded companies (represented by the yellow bars in Exhibit 2). We see that Financials receives less weight than a simple redistribution of eligible weight would suggest, due to Financials having a lower climate impact (see charts on the right in Exhibits 2 and 3). This reflects a positive redistribution effect overall, with the climate factors negatively affecting the weight of Financials in the indices.

Consumer Staples was strongly overweighted in both the S&P Eurozone LargeMidCap PA and CT Indices. This is likely due to there being no exclusions for the sector, as those companies are closer to their 1.5^oC budget (below 10² as seen in Exhibits 6 and 7) and have high climate impact revenues.

We will follow up with another blog on the S&P 500 PACT and S&P Developed PACT Indices.

Retirement investors faced numerous investment headwinds in 2020. In addition to heightened volatility in the stock market, they had to cope with falling interest rates on both regular and inflation-indexed bonds. Real interest rates, interest rates that have been adjusted to remove the effects of inflation, are especially relevant for retirement investors because lower real interest rates reduce the inflation-adjusted income a given account balance can support.

For instance, if the 10-year yield on Treasury Inflation-Protected Securities (TIPS) is 1%, an investment of $0.91 today would be needed to fund a dollar of consumption in 10 years.¹ If the same yield was 2% instead, an investment of $0.82 would suffice. When real interest rates increase, future consumption becomes cheaper. Conversely, when real interest rates decrease, as they did in 2020, future consumption is more expensive to fund, and a fixed balance translates into a lower standard of living.

The S&P Shift to Retirement Income and Decumulation (STRIDE) Indices seek to measure the hypothetical ‘Cost of Retirement Income”. This measure is calculated by taking the present value of a hypothetical inflation-adjusted stream of cash flows, equal to USD 1 per year, starting at various retirement dates and ending 25 years later.² Based on this approach, Exhibit 1 shows how much theoretical real retirement income a $1 million balance could have sustained in 2020.  As a reference point, if real yields were zero at all maturities, the balance would support $40,000 ($1M / 25) in yearly consumption.

At the beginning of the year, TIPS yields for longer maturities were positive, and the balance would have generated around $42,000 in theoretical yearly income. Yields then decreased sharply: for instance, the 10-year TIPS yield stood at -1.1% at the end of 2020. At this point, the same balance of $1 million would have purchased $36,500 in yearly income, a 13% decrease. Managing this source of risk is crucial for retirement investing: as the numbers show, a fixed account balance does not necessarily correspond to a stable standard of living, an important objective for many retirees.

Fortunately, the S&P STRIDE indices measure an income-focused asset allocation that may help manage interest rate risk. Part 2 of this blog will show how the S&P STRIDE Indices fared under challenging conditions in 2020 (spoiler: they performed well).

¹ Calculation based on a zero-coupon bond held to maturity.

² A previous Indexology blog post has additional details (link).

Investments involve risks. The investment return and principal value of an investment may fluctuate so that an investor’s shares, when redeemed, may be worth more or less than their original value. Past performance is not a guarantee of future results. There is no guarantee strategies will be successful.

The S&P STRIDE Index Series was developed in collaboration with Dimensional Fund Advisors LP (“Dimensional”), an investment advisor with the U.S. Securities and Exchange Commission. Dimensional Fund Advisors LP receives compensation from S&P Dow Jones Indices in connection with licensing right to the S&P STRIDE Indices.

Plagued by the novel coronavirus pandemic and election uncertainty, 2020 was a year that many are happy to forget. Nonetheless, the S&P 500^® finished strong, up 12.15% for the fourth quarter and 18.40% for the year, driven largely by newly developed vaccines and aggressive economic stimulus measures. In the fourth quarter, yields on the U.S. 10-Year Treasury Bond rose to 0.92%, and in commodities, the S&P GSCI posted a gain of 14.49%, finishing the year down 23.72%.

The S&P Risk Parity Indices built on strong performance in the second and third quarters, reaching new highs in the fourth quarter (see Exhibit 1). The S&P Risk Parity Index – 10% Target Volatility posted a double-digit gain in the fourth quarter, ending the year up 11.48%.

Remarkably, the full-year performance of the S&P Risk Parity Indices significantly exceeded that of the HFR Risk Parity Indices, which represent the weighted-average performance of the universe of active fund managers employing an equal-risk-contribution approach in their portfolio construction.

While the S&P Risk Parity Index – 10% Target Volatility slightly underperformed the HFR Risk Parity Vol 10 Index in the first quarter, it outperformed in the subsequent quarters and finished the year 7.43 percentage points higher than the manager composite index (see Exhibit 2).

The S&P Risk Parity Indices comprise three asset class sub-components: equities, fixed income, and commodities. Let’s analyze the individual asset class performance contribution for the S&P Risk Parity Index – 10% Target Volatility (using excess returns).

The positive performance in the Q4 2020 was driven by commodities and equities, up 5.3% and 5.1%, respectively (see Exhibit 3). For the full year, the performance was driven by equities and fixed income, which finished up 3.8% and 7.6%, respectively.

While 2020 ended up being a strong year for equities, it’s possible that some of the concerns from last year will carry over to 2021. Market participants will have to remain vigilant and make prudent investment choices, and the S&P Risk Parity Indices may be able to help by offering diversification.