KB Financial: Staying Bullish On Earnings Beat And ROE Expansion Potential

I retain a 'Buy' rating for KB Financial Group, following my evaluation of its results and ROE outlook. Its 1Q2026 earnings beat the market's expectations by 8%, driven by 28% higher non-interest income and a 400bps improvement in the cost-to-income ratio. KB has multiple ROE accretion levers; these include net interest margin expansion, funding cost optimization, international growth, and treasury share cancellation.