SoftBank Plans to Issue Approximately ¥1 Trillion in Retail Bonds, the Largest Corporate Bond Offering in Japanese History
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SoftBank Group plans to sell roughly ¥1 trillion ($62.6 billion) in bonds to Japanese retail investors — a record for corporate retail debt in Japan — to repay maturing obligations and fund its push into physical AI, even as rising Japanese government-bond yields drive up its borrowing costs.
How big is this bond?
The offering totals roughly ¥1 trillion (about $62.6 billion), a record for Japanese corporate retail bonds.
The bonds carry a seven-year term; the coupon will be set in early September and is expected to land above 4%.
This is SoftBank's third retail bond this year — it completed earlier rounds in April and June, a notably accelerating pace.
Where does the money go?
SoftBank says the proceeds serve two purposes: repaying maturing debt and investing in physical AI, including acquisitions.
Physical AI — applying AI technology to robots, factories, and other real-world systems — is the group's current core bet.
One deal is already on the books: SoftBank announced a $5.4 billion acquisition of the robotics unit of Swiss engineering firm ABB.
Can SoftBank handle the interest burden?
Corporate bond coupon = Japanese government-bond yield + risk premium (the extra rate investors demand for taking on corporate credit risk). This means → the higher government yields climb, the more SoftBank pays.
Japanese government-bond yields are trending higher, directly pushing up the coupon on this offering and pressuring borrowing costs.
In plain terms = this bond locks in seven years of growth capital for SoftBank, but the price is a heavier and heavier interest bill — the more it borrows in a rising-rate environment, the greater the strain.
Content is for reference only, not financial advice.