Is Capital One Financial a Buy After Its Latest Earnings Report?

Capital One Financial (NYSE:COF) was an investor darling after reporting its latest quarterly earnings. Market players were cheered by numerous positive developments at the sprawling financial services company, famous for the assertive marketing of its credit cards and the cafes stuffed inside its bank branches.

The company crushed analyst estimates for profitability and notched a more modest beat on revenue. Here's an overview of the quarter, and whether it makes Capital One stock look like a smart buy now.

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Capital gains

Capital One's third quarter saw the company earn $16.3 billion in revenue for a respectable (6%) year-over-year improvement. Net income, not under generally accepted accounting principles (non-GAAP, or adjusted), rose at a slightly higher 7% pace to nearly $4.1 billion, or $6.69 per share.

On average, analysts tracking Capital One stock were modeling just under $16.3 billion in revenue and only $5.50 per share in adjusted net profit.

The company is basically a payment card issuer that also runs a considerable commercial and consumer banking operation. The former activity accounted for almost 75% of revenue in the quarter and performed well, driven by a surge in total purchase volume by cardholders -- which rose 11% to nearly $255 billion.

A major factor in this double-digit rise is what Capital One calls its "debit conversion." In May 2025, the company closed its splashy acquisition of payment card company Discover Financial Services. A key reason for the buy was the company's proprietary payment-processing infrastructure, which takes a small fee on every purchase to provide these services. Before this, Capital One's legacy checking account debit card transactions were routed through the networks of Visa (NYSE:V) and Mastercard (NYSE:MA). The company has completed the rebadging and rerouting of these cards through its own network; the fees it reaps from this have helped lift overall revenue.

Small but strong

Although the banking side of Capital One is notably smaller, it still matters to the company's fortunes. Happily, the bulk of that operation -- consumer banking -- did very well in the third quarter. In fact, it posted the highest revenue growth rate of the company's primary and secondary business units. Its top line expanded by 17% year over year, to $3.3 billion.

A lender depends on its loan book, of course, and Capital One successfully boosted its own. Ending loans held for investment (as opposed to sale) leaped 13% higher to just over $94 billion. Much of this consists of auto loans; originations in the category accelerated by 22% to $13 billion.

This raises a concern, however, as loan growth often stalls when interest rates rise, as was the case following the Federal Reserve's rate hike at the end of September.

The smaller commercial banking unit delivered a flat performance, contrasting unfavorably with its big brother. Total revenue went sideways at $901 million, even though period-end loans held for investment increased by 4% to $92.1 billion.

The integration situation

In the earnings call discussing the results, Capital One management emphasized the progress it's making with Discover. All told, according to the company, synergies between that business and its current owner have reached an annualized figure of $1.8 billion.

Discover, which was a huge standalone business for many years, was never going to be a quick or easy operation to subsume within Capital One. Thus far, total integration costs have exceeded $2.8 billion, so it's good that this comprises much of what's likely to be the total. In the near future, such spending should taper off considerably before falling to zero, an event management is expecting by 2028. In the third quarter, Discover integration expenses totaled $338 million. Once this cost item is eliminated, profitability should rise at impressive rates.

Although the U.S. economy has been experiencing its fits and starts, Capital One is navigating the environment rather nimbly. This is evidenced by those impressive double-digit growth rates of the two stars of the third quarter, credit cards and consumer lending. With these businesses motoring along and a major cost item set to decline significantly before long, Capital One stock looks like a fine mid- to long-term investment in the financial sector.

Eric Volkman has no position in any of the stocks mentioned. The Motley Fool has positions in and recommends Mastercard and Visa. The Motley Fool recommends Capital One Financial. The Motley Fool has a disclosure policy.