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Arch Capital's Mortgage Segment Emerges as an Earnings Stabilizer
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Key Takeaways
Arch Capital's Mortgage segment generated $220 million of underwriting income in the second quarter.
Its combined ratio excluding prior-year development was 39.8%, highlighting strong underlying profitability.
Mortgage net premiums written increased 7.5%, with international growth offsetting lower U.S. premium volume.
Arch Capital Group Ltd.’s (ACGL - Free Report) Mortgage segment can remain an important growth and earnings stabilizer, particularly because its earnings profile differs from those of Arch Capital’s Insurance and Reinsurance businesses.
Arch Capital’s Mortgage segment generated $220 million of underwriting income in the second quarter of 2026, making it a significant contributor to the group’s $657 million of total underwriting income. More importantly, the segment’s combined ratio, excluding prior-year development, was 39.8%, broadly stable with 39.3% in the year-ago quarter. The strong underlying underwriting margin highlights the segment’s profitability and provides diversification from the catastrophe volatility that can affect ACGL’s P&C Insurance and Reinsurance operations.
Mortgage net premiums written increased 7.5% year over year in the second quarter of 2026, while net premiums earned rose 1.4%. Growth in international mortgage business helped offset lower U.S. monthly premium volume. Arch Capital also benefited from the termination of certain Bellemeade and quota-share agreements, which increased the amount of U.S. primary business retained.
The Mortgage segment can help offset periods when Insurance and Reinsurance margins come under pressure from catastrophe losses or softer pricing. Its combination of premium growth, strong underlying underwriting margins and lower catastrophe exposure supports a more diversified earnings profile for Arch Capital.
Mortgage insurance can continue to provide organic premium growth and contribute meaningfully to earnings even as the broader P&C market becomes more competitive. However, the durability of this contribution will increasingly depend on new business growth, delinquency and cure trends, and underlying loss performance.
Overall, Arch Capital’s Mortgage business appears positioned to remain a meaningful earnings stabilizer and a potential growth engine.
What About Its Peers?
NMI Holdings, Inc. (NMIH - Free Report) is a pure-play private mortgage insurer whose core business is providing mortgage insurance on residential loans with high loan-to-value ratios. NMIH generates recurring premium income by protecting lenders against losses if borrowers default, creating a stable and predictable revenue stream over the life of the insured mortgages. NMI's mortgage insurance business benefits from growth in purchase mortgage originations, expanding insurance-in-force, disciplined underwriting and strong credit performance, enabling the company to produce consistent underwriting profits and generate solid cash flow.
Radian Group Inc. (RDN - Free Report) is a leading provider of private mortgage insurance in the United States. The company insures low-down-payment residential mortgages, protecting lenders against credit losses from borrower defaults while helping borrowers achieve homeownership with smaller upfront payments. Its mortgage insurance business generates recurring premium revenues and is supported by disciplined underwriting, advanced risk analytics and capital-efficient risk management.
ACGL’s Price Performance
Shares of ACGL have gained 6.2% in the past year, outperforming the industry’s growth.
Image Source: Zacks Investment Research
ACGL’s Undervaluation
The stock is undervalued compared with its industry. Its forward price-to-book value of 1.40X is lower than the industry average of 1.41X. It carries a Value Score of B.
Image Source: Zacks Investment Research
Estimate Movement for ACGL
The Zacks Consensus Estimate for ACGL’s 2026 third-quarter earnings per share (EPS) moved up 2.7%, and the fourth-quarter EPS has moved down 2.4% in the past 60 days. The same for full-year 2026 moved up 1.1%, and 2027 EPS has moved down 0.7% in the past 60 days.
Image Source: Zacks Investment Research
The consensus estimate for ACGL’s 2027 EPS and revenues indicates a year-over-year increase.
Image: Bigstock
Arch Capital's Mortgage Segment Emerges as an Earnings Stabilizer
Key Takeaways
Arch Capital Group Ltd.’s (ACGL - Free Report) Mortgage segment can remain an important growth and earnings stabilizer, particularly because its earnings profile differs from those of Arch Capital’s Insurance and Reinsurance businesses.
Arch Capital’s Mortgage segment generated $220 million of underwriting income in the second quarter of 2026, making it a significant contributor to the group’s $657 million of total underwriting income. More importantly, the segment’s combined ratio, excluding prior-year development, was 39.8%, broadly stable with 39.3% in the year-ago quarter. The strong underlying underwriting margin highlights the segment’s profitability and provides diversification from the catastrophe volatility that can affect ACGL’s P&C Insurance and Reinsurance operations.
Mortgage net premiums written increased 7.5% year over year in the second quarter of 2026, while net premiums earned rose 1.4%. Growth in international mortgage business helped offset lower U.S. monthly premium volume. Arch Capital also benefited from the termination of certain Bellemeade and quota-share agreements, which increased the amount of U.S. primary business retained.
The Mortgage segment can help offset periods when Insurance and Reinsurance margins come under pressure from catastrophe losses or softer pricing. Its combination of premium growth, strong underlying underwriting margins and lower catastrophe exposure supports a more diversified earnings profile for Arch Capital.
Mortgage insurance can continue to provide organic premium growth and contribute meaningfully to earnings even as the broader P&C market becomes more competitive. However, the durability of this contribution will increasingly depend on new business growth, delinquency and cure trends, and underlying loss performance.
Overall, Arch Capital’s Mortgage business appears positioned to remain a meaningful earnings stabilizer and a potential growth engine.
What About Its Peers?
NMI Holdings, Inc. (NMIH - Free Report) is a pure-play private mortgage insurer whose core business is providing mortgage insurance on residential loans with high loan-to-value ratios. NMIH generates recurring premium income by protecting lenders against losses if borrowers default, creating a stable and predictable revenue stream over the life of the insured mortgages. NMI's mortgage insurance business benefits from growth in purchase mortgage originations, expanding insurance-in-force, disciplined underwriting and strong credit performance, enabling the company to produce consistent underwriting profits and generate solid cash flow.
Radian Group Inc. (RDN - Free Report) is a leading provider of private mortgage insurance in the United States. The company insures low-down-payment residential mortgages, protecting lenders against credit losses from borrower defaults while helping borrowers achieve homeownership with smaller upfront payments. Its mortgage insurance business generates recurring premium revenues and is supported by disciplined underwriting, advanced risk analytics and capital-efficient risk management.
ACGL’s Price Performance
Shares of ACGL have gained 6.2% in the past year, outperforming the industry’s growth.
Image Source: Zacks Investment Research
ACGL’s Undervaluation
The stock is undervalued compared with its industry. Its forward price-to-book value of 1.40X is lower than the industry average of 1.41X. It carries a Value Score of B.
Image Source: Zacks Investment Research
Estimate Movement for ACGL
The Zacks Consensus Estimate for ACGL’s 2026 third-quarter earnings per share (EPS) moved up 2.7%, and the fourth-quarter EPS has moved down 2.4% in the past 60 days. The same for full-year 2026 moved up 1.1%, and 2027 EPS has moved down 0.7% in the past 60 days.
Image Source: Zacks Investment Research
The consensus estimate for ACGL’s 2027 EPS and revenues indicates a year-over-year increase.
ACGL stock currently carries a Zacks Rank #3 (Hold). You can see the complete list of today’s Zacks #1 Rank (Strong Buy) stocks here.