The Democratic Party's sweeping victory in the US midterm elections has reduced market bets on further US military spending expansion, while boosting European bank stocks' optimism about improved financing conditions and credit prospects. The market structure that day also highlighted the rotation of Western policy expectations, with the pan-European Stoxx 600 index rising nearly 1%, led by banking and clean energy sectors, while defense stocks noticeably lagged. Capital is being reallocated toward different paths and directions of Democratic policy beneficiaries in the context of a Democratic-controlled Congress.
Bank stocks led the European market higher. The Democratic Party's decisive victory in the US midterm elections removed some of the uncertainty that had weighed on equities in recent weeks, while declining bond yields also provided a boost. The Stoxx Europe 600 Banks Index rose as much as 4.5%, on track for its best single-day performance since May. Heavyweight European banking names HSBC Holdings PLC and Banco Santander SA contributed the most to the index gain; Lion Finance Group and Raiffeisen Bank International AG were among the top performers, surging 5.9% and 6.4% respectively. US bank stocks also advanced in pre-market trading.
Wednesday's rally marked a sharp reversal for European bank stocks, which had fallen significantly ahead of the election. The sector had pulled back from an all-time high set in early September, as sharply rising US and European bond yields triggered concerns about credit quality and default rates. Nevertheless, the sector is still up 11% year-to-date. As shown in the chart above, European bank stocks were hovering near oversold pessimistic levels before the US midterm elections.
"Despite strong fundamentals, investors had clearly reduced their exposure to bank stocks ahead of the midterms. With uncertainty now removed, we are seeing a powerful relief rally," said Ulrich Urban, head of multi-asset strategy and research at Berenberg Bank. "This is a 'sell the rumor, buy the fact' type of move."
US Treasury yields declined as midterm election results rolled in. Investors are betting that the new political environment will constrain the Trump administration's tax cut plans and the US government's massive fiscal spending programs. Government bond yields in the UK, France, and Italy also declined.
"From a broader perspective, if financial conditions become significantly less restrictive and economic growth broadens across more sectors, that is good for the international financial sector," said Geoff Yu, senior macro strategist at BNY Mellon. "When people are reluctant to borrow and credit risk is rising, a steeper Treasury yield curve does not help banks improve profitability."
Election Pressure Eases, European Bank Stocks See 'Buy the Fact' Rally
The core driver of the aggressive rebound in European bank stocks was the combination of clearer election results, the release of pre-election de-risking pressure, and falling bond yields, which together compressed the risk discount on bank stocks. The Democratic sweep of Congress reduced market bets on further US military spending expansion, while lifting European bank stocks' optimistic expectations for improved financing conditions and credit prospects. European bank stocks had previously retreated from an early September record high, with the main pressure coming from surging US and European government bond yields: higher financing costs began to threaten corporate debt-servicing capacity and loan demand, prompting investors to reassess bad debt and provisioning risks.
A "blue Congress" refers to the Democratic Party controlling both the Senate and the House of Representatives. When midterm election voting data showed the Democratic Party taking control of both chambers, markets anticipated that Trump's plans for new tax cuts and spending would face greater constraints. Reuters European morning session data showed the US 10-year Treasury yield fell about 2.1 basis points to 4.9291%, providing support for a risk asset rebound. The trading logic behind bank stock buying centered on the possibility that financing pressures could ease and the risk of earnings being eroded by credit losses could decline.
Pre-election positioning adjustments amplified the rally. Berenberg believes bank fundamentals remain strong, but investors had already significantly reduced their risk exposure, leading to a relief rally once results were announced. Bloomberg Intelligence also observed capital rotating into European bank stocks that had previously lagged the broader market; during the same trading session, the defense sector came under pressure, indicating that markets are reallocating the sector-level gains and losses from policy changes.
Why Falling Yields Benefit Banks: Credit Quality Matters More Than Margin Expansion
Bank profitability cannot be assessed solely on whether loan rates are rising. Higher rates can increase yields on some assets, but if borrowers reduce financing, deposit and wholesale funding costs rise, and default losses increase, the margin benefit may be offset. When market concerns shift from "rates are not high enough" to "borrowers cannot bear high benchmark borrowing costs," falling yields can actually benefit bank valuations. If improved financing conditions can drive loan demand, ease debt-servicing pressures, and reduce expected credit losses, banks may sustain profitability through improved business volumes and asset quality. This is also the key to BNY Mellon strategist Geoff Yu's view: a steeper yield curve does not automatically mean banks are more profitable; if companies are unwilling to borrow and credit risk is rising, the curve advantage is difficult to realize. What investors would rather see is economic growth covering more industries, a recovery in financing activity, and bank profits no longer overly dependent on interest rates or a continuously steepening yield curve.
Some banks already have the operating foundation to support valuation recovery. HSBC Holdings PLC reported a 10% year-on-year increase in pre-tax profit for the third quarter at constant currency, excluding major items; Banco Santander SA's Common Equity Tier 1 (CET1) capital ratio stood at 12.7% at the end of September, above the 9.86% minimum requirement. Earnings growth and capital buffers provide support for banks to absorb potential losses and maintain credit supply. The sustainability of the bank stock rally depends to a greater extent on whether the easing of financing pressures can translate into steady loan growth, stable credit costs, and shareholder returns, rather than single-day movements in yields.
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