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Morning Edition · Wednesday, October 14, 2026Published at 1:07 AM EDT · New York
Japanese banks and insurers buy domestic bonds again as 30-year yields stay above 4%
The shift will show whether some of Japan's large overseas holdings start coming home, even as MUFG considers taking majority control of India's Shriram Finance.
Japanese banks and life insurers are buying government bonds at home again as yields rise, the Financial Times reported. Investors are watching for signs that these institutions will start bringing money back after decades of searching for returns abroad.
The yield levels explain the shift. The 30-year Japanese government bond yield reached 4.25% this month, an all-time high, and closed at 4.04% on October 13, according to Trading Economics. In September the 10-year yield hit a 30-year high after a sell-off in US Treasuries, CNBC reported. For most of the past two decades, the Bank of Japan held domestic yields near zero, so insurers and pension funds bought foreign bonds instead to meet their obligations. Bloomberg reported in September that yields near three-decade highs had renewed debate over money returning to Japan.
The flows are not all moving in one direction. Mitsubishi UFJ Financial Group (MUFG), Japan's largest bank, has begun considering raising its stake in India's Shriram Finance from about 20% to more than 50%, The Japan Times reported, citing sources. Japanese lenders still go abroad for loan growth they cannot find at home. What they are reconsidering is foreign bonds, now that Japanese bonds pay competitive yields of their own.
Higher yields also carry risk. One market analysis argues that life insurers become forced sellers if the 30-year yield moves above 4.5%, because losses on their existing holdings would then strain their balance sheets. At current levels, buyers find the yield attractive, but a further rise could turn the same institutions into sellers.
Part of a tracked trend
Japanese Capital Comes Home
As domestic yields stay at multi-decade highs, Japanese institutions will keep shifting new money from foreign bonds into Japanese government debt, removing a large marginal buyer from global long-dated bond markets and pushing term premiums abroad higher.
What this means
The mechanism is a comparison of yields after currency hedging. Japanese investors who hedge yen risk on US or European bonds pay high hedging costs. A 30-year Japanese bond above 4% now pays well without that cost, so the marginal Japanese buyer of long-dated US, European and Australian bonds pulls back. Long-dated foreign bonds lose a large, price-insensitive buyer, and their term premiums rise. The yen gains structural support. In 2022, when hedging costs rose, Japan's Ministry of Finance data showed Japanese investors as heavy net sellers of foreign bonds, an episode that was one of the forces behind that year's global bond sell-off. The common expectation is a sudden sale of foreign holdings. The evidence points instead to a slower redirection of new money, with cross-border bank lending such as MUFG's India deal continuing alongside it. The more likely outcome over the coming months is gradual rotation, visible in weekly Ministry of Finance flow data, for as long as the 30-year yield stays above 4%. The forced-selling scenario becomes relevant only near the 4.5% level analysts cite. Continued net purchases of foreign bonds by banks and life insurers through year-end would prove the repatriation read wrong.
What to watch
- The Ministry of Finance's weekly figures on Japanese purchases and sales of foreign bonds. Sustained net selling would confirm repatriation, while continued buying would contradict it.
- The 30-year Japanese government bond yield relative to the 4.5% level analysts link to forced selling by life insurers. A move toward it would turn buyers into sellers.
- Whether MUFG formally bids for majority control of Shriram Finance. That would show Japanese banks reallocating abroad from bonds into operating businesses rather than simply bringing money home.
Observations to monitor, not financial advice.
Synthesized from: Financial Times Markets · The Japan Times (Business)
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Comments
1Oct 14, 5:07 AM
Bringing money home would mean selling foreign bonds such as Treasuries, which could push US yields up and, as happened in September, feed back into higher JGB yields.