Core Points European banks achieved their best annual performance since 1997 in 2025, with results advancing impressively. Following a strong third-quarter earnings conclusion, banks must finalize the methods and direction for deploying substantial excess capital in 2026. Strategists believe the sector will be a high-quality choice for investors seeking portfolio diversification in 2026. On the evening of November 27, 2025, the skyline of the City of London, UK, featured 20 Fenchurch Street, a building affectionately nicknamed the "Walkie-Talkie" due to its distinctive shape. The City of London is an independent city, ceremonial county, and local authority district, serving as London's primary central business district, often abbreviated as "the City" and colloquially known as the "Square Mile." Over the past decade, skyscrapers have risen rapidly in the City, continuously pushing its architecture skyward. The European banking sector experienced its most glorious year since 1997, with the Stoxx 600 Banks Index soaring nearly 60% year-to-date. Major European banks reported stellar third-quarter profits, with leading institutions like HSBC and UBS exceeding market expectations for net profit; some banks, including Commerzbank and Société Générale, even saw their market capitalization double over the past 12 months. Benjamin Goy, Head of European Financials Research at Deutsche Bank, termed this year a "highlight year" for European banking. In an interview with CNBC, he stated, "European banks have high capital ratios, with the vast majority, if not all, holding significant excess capital." Currently, European banks are keen to extend the strong momentum from 2025 into 2026. The core challenge facing management is how to effectively deploy this massive pool of excess capital. Goy mentioned that although opportunities for organic growth within the sector continue to improve, their current profitability is already robust enough, "creating conditions for engaging in more capital market activities." Share buybacks and cash dividends are common, lower-risk methods for capital deployment used by banks. However, the market anticipates that the focus of capital activities in 2026 will shift towards external growth, specifically mergers and acquisitions (M&A) — aiming to diversify revenue streams and further boost growth momentum. "M&A activity, absent from the European banking scene for nearly a decade, is now coming back into view," Goy said. "Bank management teams have regained confidence, investors are increasingly supportive of M&A, and most announced deals are earnings-accretive, which is why acquirers' share prices often rise in response. We expect this type of M&A activity to increase further in 2026." On December 9, during CNBC's "Squawk Box Europe," Goy stated that Italy and the UK are core hotspots for banking consolidation. He expects M&A activity to be dominated by domestic "bolt-on acquisitions" — transactions that carry lower execution risk, offer significant synergies, and are easier to implement profitably. Several banks heavily recommended by Deutsche Bank this year, including Banca Monte dei Paschi di Siena, First Savings Bank Group, Bank of Ireland, and Barclays, are all potential participants in such M&A transactions. Goy added that within the banking M&A landscape, competition for "revenue-generating business segments" like wealth management, asset management, and insurance will be particularly intense. However, cross-border M&A still faces numerous challenges, primarily because such deals carry higher execution risk, typically yield weaker synergies, and are more susceptible to political scrutiny. Furthermore, investment strategists pointed out that robust growth in loan and deposit volumes is expected to further strengthen the European banking sector's risk resilience in 2026. RBC BlueBay Asset Management noted that in 2025, global investors increasingly sought to diversify holdings away from the concentrated US tech sector. Strong cyclical sectors, exemplified by banking, saw repeated upward revisions to earnings expectations, driving valuation reassessments, from which European banks also benefited. A Major Performance Reversal Makes the Sector a Prime Investment Target Sharon Bell, Senior European Equity Strategist at Goldman Sachs, stated that European banking is now a consensus hot investment theme in the market. She added that a steep yield curve, coupled with further global economic recovery in 2026, should continue to provide a "favorable operating environment" for the sector. On December 11, during CNBC's "Squawk Box Europe," Bell said, "The European banking sector still trades at a single-digit price-to-earnings ratio. Given the current market focus on avoiding risks associated with overvalued, concentrated markets like US equities, European banking represents an excellent choice for diversification." Deutsche Bank's Goy indicated that dual growth in net interest income and fee income will be the core engines driving revenue growth for European banks in 2026. He pointed out that the willingness of European citizens to participate in capital market investments has significantly increased. This trend "provides a strong and healthy boost to fee income growth," which can help offset the impact of a low-interest-rate environment resulting from the European Central Bank maintaining stable rates. "Net interest income remains the most crucial revenue source for European banks," Goy said. "Interest rate cuts by the ECB and other central banks previously created some headwinds, leading to a slight decline in net interest income for banks in 2025. However, most central banks have now paused their easing cycles, bank net interest margins have stabilized, and loan volume growth is picking up again... This is precisely the key to the sector's major performance reversal."