Enact Holdings, Inc. (ACT) Stock

Understand Enact Holdings, Inc.: how it makes money

Enact (formerly Genworth) sells private mortgage insurance protecting lenders on prime home loans, earning premiums on each outstanding balance until the mortgage is paid off. The $273 billion insurance-in-force book grows with new originations but erodes as borrowers pay off, while actual defaults have run well below underwriting assumptions.

Revenue is a function of the total insurance-in-force book multiplied by the premium rate, less costs paid out when borrowers default; the structural edge is that post-2008 underwriting assumptions are conservative, so the 68% operating margin is a function of defaults staying below plan and home prices not collapsing.

Business quality (Solid): A stable, capital-light insurance franchise with a 68% operating margin and 13% ROE; the 68% margin is unusually high for financials and reflects a credit book that has not yet been stress-tested by a rate shock.

Valuation: At 10× earnings, ACT trades 21% below the Insurance average (13×).

Bull case

• NIW growth fuels book expansion: Management highlighted strong new insurance written growth with attractive risk-adjusted pricing supporting premium and capital generation, reinforcing that the originations pipeline remains healthy.
• Home prices cushion the credit book: Management noted that embedded home-price appreciation supports continued cure performance, giving borrowers who slip into delinquency a path back to good standing before a claim is triggered.
• Trading 21 percent below sector: Enact trades at 10.3x earnings versus the 13x insurance sector average, a 21 percent discount that could narrow if the 68% operating margin proves durable through the housing cycle.

Bear case

• Affordability caps the origination pipeline: Management acknowledged that higher rates and home prices continue to pressure housing affordability, which directly limits the flow of new prime loans eligible for PMI coverage and slows book growth.
• Pricing tailwind may fade: Management's premium-rate guidance remains broadly flat with possible downward pressure, suggesting the pricing environment that supports margins may not persist into the second half of the fiscal year.
• Newer vintages add credit risk: Management warned that newer vintages carry higher risk characteristics and may generate more delinquencies, compounded by expected second-half seasonality that typically pushes delinquency rates higher.

Enact Holdings, Inc. earnings call transcripts

• ACT Q2 FY26 earnings call transcript (reported 2026-08-05) · analysis
• ACT Q4 FY25 earnings call transcript (reported 2026-02-03) · analysis
• ACT Q2 FY25 earnings call transcript (reported 2025-07-30) · analysis

All ACT earnings calls

Related Companies (Insurance; 8 comparable insurers)

• MGIC Investment Corporation (MTG)
• NMI Holdings, Inc. (NMIH)
• Hagerty, Inc. (HGTY)
• CRAWFORD & CO (CRD)
• Genworth Financial, Inc. (GNW)
• Safety Insurance Group, Inc. (SAFT)
• Radian Group Inc. (RDN)
• Slide Insurance Holdings, Inc. Common Stock (SLDE)