Japan’s main bank industry group warns of rising bond yield risks

Japan’s banking sector is having a strange year. Record profits and existential anxiety, delivered in the same quarterly earnings report. The Japanese Bankers Association issued a warning on September 17 that rising government bond yields may trigger writedowns and realized losses across the industry, cutting into the very profits that have made Japanese megabanks the envy of their global peers. Record profits meet record-high yields JBA chairman Masahiko Kato flagged a scenario that sounds counterintuitive at first: the same rising interest rates that have been fattening bank margins are now threatening to blow holes in their bond portfolios. The 10-year Japanese government bond yield has climbed to 3%, a level not seen in three decades. The culprits are familiar: growing fiscal concerns about Japan’s towering government debt and expectations that the Bank of Japan will keep hiking its policy rate, which is projected to reach roughly 1.25% by mid-September 2026. Japan’s three largest megabanks, Mitsubishi UFJ Financial Group, Sumitomo Mitsui Financial Group, and Mizuho Financial Group, reported a combined net income of approximately ¥5.26 trillion for the fiscal year ending March ...