Capital One Progresses with Credit Card Migration to Discover

Capital One has successfully transitioned around 25 million debit cards to the Discover Network as part of its ongoing integration strategy. The company is now focusing on moving select credit card accounts to Discover's payment rails, marking a shift from the previous Visa network usage. Despite this, key cards such as the Venture X, and co-branded T-Mobile, Kohl’s, and Bass Pro Shops/Cabela’s cards, remain on Visa for the time being.

Migration Strategy for Credit Cards

Capital One has begun testing legacy branded accounts on Discover's network, alongside existing account conversions. Richard Fairbank, Chairman and CEO, emphasized their priority in leveraging Discover’s infrastructure for these migrations. The process involves an initial transition phase this July, followed by additional migration waves in October and January.

"We are leaning hard into right now testing originating legacy Capital One branded accounts on the Discover network," said Fairbank.

Focusing on International Expansion

A significant hurdle is Discover's limited global reach compared to competitors like Visa and Mastercard. During the earnings call, Capital One stated plans to enhance Discover's acceptance internationally, particularly in markets such as Mexico, the Caribbean, Canada, and the UK.

Managing Migration Complexity

Brian Riley from Javelin Strategy & Research highlighted the complexity of this large-scale card integration. With a portfolio that includes over 71 million cards, the debit function, the Pulse Network, and Diners Card’s global reach, the process is inherently complex. Despite challenges, the company remains focused on achieving $2.5 billion in merger-related synergies by late 2027.

Performance Insights

Since the Capital One-Discover merger closed in May 2025, Discover's performance has varied. Purchase volume grew by almost 2% year-over-year, but card loans fell by 1.5%. In contrast, other Capital One segments saw about a 14% rise in purchase volumes. This disparity was attributed to Discover's pre-acquisition pullback on new account origination.

Capital One executives noted this slowdown in growth is expected to be temporary, indicating a cautious yet optimistic outlook for the integration's future phases.

By strategically shifting credit accounts to Discover and expanding its international footprint, Capital One aims to fully capitalize on the merger benefits within the outlined timeframe.