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Changes in US industry regulations tend to proceed at a slow, sometimes glacial pace. The recent implementation of the National Association of Insurance Commissioners’ (NAIC’s) latest revisions to risk-based capital (RBC) charges for insurers’ fixed income investments was no exception. While US insurers were required to start reporting more detail on their fixed income holdings as of year-end 2020, the NAIC’s new bond risk charges did not fully take effect until year-end 2021 — but they’re finally here.
What remains to be seen is the extent to which these regulatory changes will truly impact the day-to-day portfolio management of insurance company assets and/or their longer-term strategic asset allocation decisions. As of this writing, US insurers as a group are on strong footing in terms of their capital positions (Figure 1). And the NAIC noted that, in aggregate, it expects less than a 2% increase in authorized control level risk-based capital for US life insurers due to the latest changes. However, the NAIC added that a relatively small number of insurers will experience a much larger impact from their 2019 RBC filings being recalculated under the new RBC framework.
With these recent changes impacting most US insurers (life, property & casualty, and health) to one degree or another, it is critical to understand just how much investment risk contributes to the overall regulatory RBC calculation for a US-based insurer. A general rule of thumb we use is that a life insurer has roughly two-thirds of its total risk related to its investment assets, as compared to around one-third for P&C and health insurers. Given the nature of the liability profiles across insurance companies, these seem to be reasonable guidelines, but let’s take a closer look. Based on year-end 2020 RBC filings, we see that assets, interest rates, and market risk make up approximately 66% of total risk for life insurers, 39% for the P&C industry, and 15% for health insurers (Figure 2).
With the significant proportion of asset risk in a typical life insurer’s RBC, it is clear that any changes to the underlying capital charges will be much more consequential for insurers in this particular channel.
With that as the backdrop, what should US insurers be focused on moving forward? And how do the relative value propositions across asset classes generally, and within fixed income investments specifically, shift as a result of the NAIC’s recent modifications?
For the first time ever, P&C and health insurers will be subject to distinct bond risk charges. And while their risk factors have been updated accordingly, the upshot is that the vast majority of said factors have increased versus history. The implications of the revisions for the life insurance industry are much more nuanced, making sweeping generalizations difficult and unhelpful (Figure 3).
For starters, on a relative basis, double B and single B rated bonds have become more attractive versus their former charges, while single A rated debt issuers have lost some of their luster now in the absence of the type of “catch-all” charge that encompassed A through AAA rated names under the NAIC’s old RBC framework.
Insurers that are seeking to add incremental yield in a more capital-efficient manner could consider allocating a portion of fixed income assets to BB/B rated high-yield bonds, while “barbelling” this higher-risk exposure with areas of the market that still offer a considerable supply of AAA/AA rated bonds. Broadly speaking, all flavors of the securitized sector and most municipal bonds should effectively serve this need for greater yield in a capital-efficient manner (Figure 4).
Over 90% of the BBG US Corporate Index resides in the single A or BBB rating buckets, while the BBG Municipal Bond Index is comprised of nearly 70% AAA and AA rated bonds. And as we have discussed elsewhere, the AAA rated exposure available across the securitized space is quite significant.
Here are some high-level thoughts on the above opportunity sets as of this writing:
In particular, higher-quality CLOs may offer potentially attractive income, with further coupon upside possible if the US Fed hikes interest rates, as widely anticipated. The same may also apply to non-agency RMBS amid continued housing market strength and availability of income-producing shorter-dated structures. Recent valuations between corporate bonds and taxable municipals were comparable, but we think municipals tend to have stronger fundamentals. We are more cautious on high-yield corporates due to tight valuations (but acknowledge that those may be justified by sound fundamentals in some instances).
The RBC adjustments to fixed income assets also have a “trickle down” effect of sorts with respect to the risk charges applied to other types of investments. As noted, the P&C and health insurance risk factors for fixed income increased across virtually every bond rating category, while the charges for directly owned equities (15%) and Schedule BA funds (20%) remained the same as before. On the margin, this new framework could make an allocation to non-fixed income risk assets more attractive in 2022 and beyond as insurers look to generate investment returns.
In recent years, commercial mortgage loans (CMLs) have continued to grow as a percentage of insurers’ total assets (nearly 15% of life insurers’ portfolios as of year-end 2020) and are now being utilized by longer-duration-liability P&C insurers as well, although the latter industry’s exposure is still around 1% in aggregate. The charges remain favorable for life insurers, but with a flat 5% charge across all varieties of CMLs for P&C and health insurers, one could argue for a selective allocation to the “mortgage-in-good-standing” part of the mortgage loan market.
Additionally, the NAIC implemented capital relief for life insurers holding real estate equity, reducing the charge for Schedule BA real estate equity holdings from 23% to 13%.
Let’s examine the entire picture under the NAIC’s new regulations using a hypothetical generic US life insurer, with a 950% authorized control level RBC. Just by applying the new risk factors and the updated portfolio adjustment factor, we see this insurer’s aggregate RBC fall to 901%, with the total asset risk now 2% higher versus the baseline (Figure 6).
However, if this insurer were to thoughtfully implement some of the investment ideas discussed herein (namely reallocating 10% of A- rated corporate debt to 5% in BB+ high-yield bonds and the other 5% in AAA structured securities), the company could theoretically capture a yield advantage, while only reducing its RBC by 10% (to 890%). This impact could potentially be further minimized by assuming an increase in total issuer count.
In the wake of all these recent regulatory changes, we believe it should be a best practice for most insurers (life insurers in particular) to think about and manage their invested asset allocations within the context of capital consumption. We’ve already begun, and will continue, partnering with our US insurance clients to that end.
As if the recent ones weren’t enough, we believe the potential for further regulatory changes in a few key areas is worth watching in the months ahead.
For example, the NAIC recently opened a “request for comment” period for feedback on its RBC treatment of asset-backed securities (ABS), including collateralized loan obligations (CLOs). The NAIC is trying to determine if a revision to such charges is needed, specifically if ABS should be treated similarly to other structured securities (RMBS/CMBS) and modeled outside of just using the filing-exempt rating process. In this vein, we have already seen S&P propose a change to its capital model that has split out fixed income charges into sectors, including adjustments for securitized assets.
Prior to the bond factor review, the NAIC had also discussed the possibility of formulating a new way to risk charge Schedule BA assets, versus the “catch-all” charge for funds that exists today. It is safe to say the US insurance industry would welcome an approach that attempts to risk charge based on the actual economics of the investment strategy, as opposed to just using a flat rate. Could the NAIC take a page from Europe’s Solvency II regulations and the Bermuda Solvency Capital Requirement (BSCR) by permitting partial or full “look-through” to the investment exposures underlying insurers’ assets? Time will tell. In the interim, US insurers will (and should) be keeping a vigilant eye on the evolving regulatory landscape.
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