The Loss Rate Advantage: Why Direct Lending Continues to Outperform Public Credit Markets

The case for direct lending has always rested on a deceptively simple proposition: private credit should deliver better risk-adjusted returns than public credit markets because direct lenders have more information, more control and more alignment with borrowers than dispersed bondholder or loan syndicates. A decade of performance data now supports that proposition with increasing conviction. According to Morgan Stanley Investment Management’s analysis of Cliffwater Direct Lending Index data, senior direct lending has sustained losses of 0.4% since 2017, compared to losses of 1.1% for leveraged loans and 2.4% for high-yield bonds over the same period. Using the broader Cliffwater Direct Lending Index — which captures both senior and non-senior loans originated for middle market borrowers — produces an estimated annualized loss of 1.33%.¹ The differential is not marginal; it represents a structural performance advantage that has persisted through multiple stress periods, including the 2020 pandemic and the 2022–2023 rate-adjustment cycle.

For the dealmaker ecosystem, the loss rate advantage is more than an academic benchmark comparison. It shapes capital allocation decisions by institutional investors, influences borrower behavior during stress and determines which market — public or private — captures incremental deal flow at any given point in the cycle. Understanding why the advantage exists and whether it can be sustained is essential for sponsors, lenders, bankers and advisors operating in middle market finance.

The private credit market had grown to approximately $3 trillion at the start of 2025, compared to roughly $2 trillion in 2020, and Morgan Stanley projects it will reach approximately $5 trillion by 2029.¹ That trajectory is not a product of yield-chasing alone. Institutional investors allocating to private credit cite lower historical loss rates as a primary reason for increasing exposure, and the underlying data continue to support the thesis.

The Structural Drivers Behind the Data

Direct lending’s loss rate advantage derives from three structural characteristics that have no direct equivalents in public credit markets: information depth at origination, covenant protection during the life of the loan and bilateral workout control when a credit deteriorates.

Information asymmetry favors private lenders at every stage of the credit relationship. Direct lenders conduct proprietary diligence — management meetings, facility visits, customer calls and supplier interviews — that produces a depth of understanding unavailable to a bondholder buying paper in a public syndication. This diligence advantage is most valuable at origination, where it prevents weak credits from entering the portfolio, but it compounds over the life of the loan through quarterly reporting, borrowing base monitoring and ongoing dialogue with management teams. A direct lender knows the business in a way that a syndicated loan holder, receiving standardized financial reports alongside hundreds of other creditors, cannot replicate.

Covenant protection provides the early warning system that enables intervention before a deteriorating credit becomes an unrecoverable loss. Full financial maintenance covenants — tested quarterly in most direct lending facilities — trigger at leverage or coverage levels that still leave meaningful enterprise value on the table. A covenant breach at moderate leverage in a business with positive enterprise value creates a very different recovery scenario than a payment default in a covenant-lite facility where the first signal of distress arrives as a missed interest payment. Lord Abbett’s 2025 primer on private credit notes that the stronger investor protections embedded in direct lending — including financial covenants, collateral requirements and reporting obligations — reduce losses in the event of default relative to equivalent public market instruments.²

Workout control is the third structural pillar. When a direct lender holds the entire credit facility and maintains a direct relationship with both the borrower and the sponsoring private equity firm, restructuring negotiations are bilateral. There is no intercreditor dispute, no holdout minority, no coordination problem among hundreds of dispersed creditors. Amendments, forbearances and equity cures can be negotiated and executed in weeks rather than months. The result is faster resolution, higher recovery rates and lower administrative friction during workout — all of which contribute to the superior loss data observed across the index.

What the Loss Data Actually Show

The Cliffwater Direct Lending Index, which covered approximately 20,000 directly originated U.S. middle market loan holdings representing $485 billion in assets as of mid-2025, is the most comprehensive benchmark available for the asset class. As of Q2 2025, the index’s trailing twelve-month realized loss rate stood at 0.75% annually, below the long-term historical average of 1.01% for the index since its inception in 2004.³ Over the same twenty-year period, CDLI credit losses of 1.01% compared favorably to high-yield bonds’ average default losses of 1.49%, while remaining broadly comparable to leveraged loans — a result made more significant when accounting for the substantially higher gross yields that direct lending delivered over the same horizon.

That loss performance has occurred across a return profile that strengthens the risk-adjusted case. During seven periods of rising interest rates since 2008, direct lending returned an average of 11.6%, roughly two percentage points above its long-term average, a function of the floating-rate structure that adjusts income in real time with benchmark rates.¹ The CDLI outperformed high-yield bonds, leveraged loans and investment-grade bonds in thirteen of the twenty calendar years through 2024 — a consistency of relative performance that is difficult to attribute to coincidence or timing alone.³

The default data from KBRA’s independent surveillance program reinforces the index-level picture. KBRA’s Q4 2024 Middle Market Borrower Surveillance Compendium — drawn from more than 2,200 assessments completed for 1,903 unique middle market-sponsored borrowers collectively accounting for $922 billion in debt — recorded only 21 payment defaults in full-year 2024, representing 1.1% of the portfolio by count and 0.7% by total debt outstanding.⁴ The low default rate reflected strong revenue and EBITDA growth that enabled most borrowers to service debt comfortably despite elevated base rates, and it confirmed that the structural protections embedded in direct lending facilities were functioning as intended.

What the Skeptics Raise — and How the Data Respond

The most common critique of direct lending’s loss rate history is that it reflects a benign credit environment rather than structural superiority — that private credit has not yet been tested by a severe recession, and that loss rates will converge with or exceed public market levels when a genuine downturn arrives. The argument is not unreasonable, given that direct lending’s growth period coincided with one of the longest economic expansions in American history, followed by a sharp but policy-supported recovery from the pandemic shock.

But the critique has begun to fray at the edges. Direct lending did face genuine stress during 2020 and the 2022–2023 rate adjustment, and performance remained differentiated. The CDLI registered only one negative year across its entire twenty-year history, in 2008, and navigated both the COVID shock and the rate-adjustment period with loss rates that remained contained relative to public market equivalents.³ The structural advantages — covenant protection enabling earlier intervention, bilateral workout processes enabling faster resolution — appear to have functioned as designed during both episodes.

A more nuanced concern raised by KBRA’s ongoing surveillance program involves the forward-looking picture. The Q4 2025 edition of KBRA’s Middle Market Borrower Surveillance Compendium — covering 2,416 unique borrowers representing over $1 trillion in private direct lending debt — identified a KBRA Middle Market Default Monitor rate of 3.4% by count and 2.0% by value among companies in or near payment distress, with downgrades outpacing upgrades for two consecutive years.⁵ KBRA has projected that defaults will rise moderately from their 2024 lows, with certain subsectors — consumer retail, media and chemicals among others — facing more pronounced refinancing and operational risk. This is a legitimate caution. It does not, however, invalidate the structural comparison: the relevant question is not whether direct lending defaults will rise in absolute terms, but whether they will rise more or less than their public market equivalents during a comparable stress period.

How the Loss Rate Advantage Shapes Ecosystem Behavior

For institutional investors — pension funds, insurance companies, endowments and sovereign wealth funds — the loss rate advantage is a primary driver of the continuing allocation shift into private credit. The fundamental observation is that private credit has delivered higher returns than public alternatives with lower historical loss rates, a risk-return combination that fixed income allocators find difficult to replicate in syndicated or bond markets. The growth from $2 trillion to $3 trillion in assets under management between 2020 and 2025 reflects that observation being acted upon at scale.¹

For borrowers and sponsors, the loss rate advantage translates into tangible financing dynamics. Lenders operating with low portfolio losses can sustain or modestly reduce spreads without sacrificing return targets, because less of the gross yield is consumed by realized credit losses. This dynamic partially explains the spread compression observed in direct lending in recent years. Borrowers benefit from lower all-in costs; lenders maintain acceptable net returns because the credit performance of the underlying portfolio absorbs less of the income stream before reaching investors.

For investment bankers, the loss data influence capital structure advisory in sell-side processes. The growing body of evidence that private credit facilities experience lower losses than public alternatives strengthens the case for direct lending solutions, particularly for companies with stable cash flows where the structural protections of private credit — covenants, bilateral workout rights, relationship-based monitoring — add the most measurable value relative to broadly syndicated alternatives. The spread between private and public credit loss rates becomes part of the advisor’s argument for why a borrower should prefer a bilateral facility over a marketed syndication.

Preserving the Advantage Under Competitive Pressure

The loss rate advantage is not guaranteed to persist. It depends on underwriting discipline, covenant enforcement and workout execution — practices that can erode under competitive pressure. Direct lending has attracted significant new capital and new entrants over the past several years, and competitive dynamics have already produced evidence of loosening credit standards at the upper end of the market. The share of covenant-lite transactions in direct lending increased from 4% in 2023 to 21% in 2025, a trend that introduces the same structural vulnerability to late-cycle detection that contributed to losses in broadly syndicated markets during prior downturns. KBRA’s Q4 2025 surveillance report notes that when sponsor and lender support is withdrawn from weak credits, deterioration can accelerate quickly — an observation that points directly to the value of maintaining covenant discipline before it is tested.⁵

The lenders most likely to sustain the loss rate advantage are those who resist competing on terms alone: platforms that maintain full maintenance covenant packages, enforce reporting requirements consistently across borrower size and sector, and invest in workout infrastructure before it is needed. The advantage was built on disciplined origination during a period of growth. Preserving it will require the same discipline during a period of heightened competition and, eventually, genuine economic stress.

Conclusion

Direct lending’s lower historical loss rate relative to leveraged loans and high-yield bonds is not an artifact of timing or a feature of a young and rapidly growing asset class. It reflects structural advantages — information depth at origination, covenant protection during the loan’s life and bilateral workout control at resolution — that are inherent to the private credit model and that have demonstrated their value across multiple market cycles. The Cliffwater Direct Lending Index documents a twenty-year loss history comparing favorably to both leveraged loans and high-yield bonds, while Morgan Stanley’s analysis of the senior component of that index shows a loss rate since 2017 that is a fraction of the public market equivalent.¹ KBRA’s independent surveillance of over $1 trillion in middle market debt confirms that the structural protections function at the borrower level as the index-level data imply.⁴⁵ Whether the advantage is sustained depends on the industry’s willingness to maintain the practices that produced it. For dealmakers allocating capital, structuring transactions and advising clients across the middle market credit ecosystem, that track record provides a compelling foundation for continued private credit growth — and a clear framework for distinguishing the platforms likely to sustain it from those that will not.

Footnotes

1. Morgan Stanley Investment Management, “Understanding Private Credit’s Rapid Growth,” October 3, 2025 (Senior direct lending losses 0.4% since 2017 vs. 1.1% leveraged loans and 2.4% high-yield bonds; broader CDLI estimated annualized loss 1.33%; direct lending averaged 11.6% return during seven rising-rate periods since 2008; private credit $3T at start of 2025, estimated to reach $5T by 2029; source footnote 8 cites PitchBook LCD, Cliffwater, Moody’s, S&P Global for loss-rate calculations.)
2. Lord Abbett, “Private Credit and Direct Lending: A Primer for Investors,” 2025 (Private credit loans include stronger investor protections — financial covenants, collateral, reporting requirements — that can help reduce losses in the event of default; private credit typically yields 2%–4% more than public loans of comparable credit quality.)
3. Larry Swedroe citing Cliffwater Q2 2025 Direct Lending Index Report, “Private Credit Delivers Strong Q2 2025 Performance,” August 22, 2025 (CDLI trailing 12-month realized losses -0.75% vs. long-term average -1.01%; CDLI loss rate 1.01% vs. high-yield 1.49% over 20 years ending 2024; CDLI outperformed high-yield bonds, leveraged loans and investment-grade bonds in 13 of 20 calendar years; only one negative year in 20-year history.)
4. KBRA, “Private Credit: Q4 2024 Middle Market Borrower Surveillance Compendium — 5% at Risk,” February 4, 2025 (21 payment defaults in full-year 2024, representing 1.1% of portfolio by count and 0.7% by total debt outstanding; drawn from 2,200+ assessments of 1,903 unique MM-sponsored borrowers accounting for $922 billion in debt.)
5. KBRA, “Private Credit: Q4 2025 Middle Market Borrower Surveillance Compendium — Stability at the Median, Stress at the Margins,” February 25, 2026 (KMDM rate 3.4% by count and 2.0% by value; downgrades outpacing upgrades for two consecutive years; multilevel downgrades increased 2.9x quarter-over-quarter in Q4 2025; $1T+ portfolio coverage across 2,416 unique borrowers.)