SoftBank prices record ¥1 trillion retail bond at 4.75% coupon
Money MovesSeven-year note pays double the average Japanese retail corporate coupon as the group funds its ABB robotics acquisition and refinances debt.
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Overview
Updated YesterdaySoftBank Group priced a ¥1 trillion (about $6.3 billion) retail bond on September 4, the largest ever sold in Japan. The seven-year note carries a 4.75% annual coupon — more than double the 2.3% average on yen retail corporate bonds issued in the country this year.
The proceeds refinance maturing domestic bonds and help pay for SoftBank's $5.375 billion purchase of ABB's robotics business. The coupon is what it costs a company rated one notch below investment grade to borrow ¥1 trillion from Japanese households — and it is the latest installment of Masayoshi Son's debt-fueled AI and robotics buildout.
Why it matters
SoftBank is borrowing ¥1 trillion from households at double the market coupon — a new benchmark for every Japanese company and saver.
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People Involved
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Japanese tech and investment group issuing its largest-ever retail bond.
Zurich-based industrial group divesting its robotics business to SoftBank.
Timeline
October 2025 September 2026
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Bond issue date
Upcoming FundingFunds to refinance domestic debt and partly fund the ABB robotics acquisition.
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SoftBank sets 4.75% coupon on ¥1 trillion bond
Latest PricingPrices the seven-year retail bond at 4.75%, near the top of the announced range and double the market average.
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SoftBank announces ¥1 trillion bond plan
AnnouncementReveals a record retail bond with an indicative coupon range of 4.3% to 4.9%.
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S&P revises SoftBank outlook to stable
RatingS&P affirms BB+ rating and shifts outlook from negative to stable on improved financial ratios.
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SoftBank raises ¥260 billion more
FundingSecond retail bond sale of the year.
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SoftBank raises ¥418 billion in retail bonds
FundingFirst retail bond sale of the year, per The Japan Times.
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ABB and SoftBank agree robotics sale
DealABB and SoftBank sign a $5.375 billion agreement for SoftBank to buy ABB's robotics business.
Historical Context
3 moments from history that rhyme with this story — and how they unfolded.
Japan's zero-rate era ends (1995–2026)
After the 1990s asset bust, Japan's 10-year government bond yield stayed below 3% for roughly three decades, hitting zero and then negative territory after 2016. Household savers earned almost nothing on deposits.
In 2026 the 10-year JGB yield crossed 3% for the first time in about 30 years, and yen retail corporate bond issuance hit a record ¥2.88 trillion by early September.
Higher yields are pulling savings out of deposits and into corporate debt.
Rising yields are what let SoftBank price a 4.75% retail coupon and what is drawing households into corporate bonds. The deal is a direct product of this regime change.
SoftBank's Arm acquisition (2016)
SoftBank agreed to buy UK chip designer Arm for about $32 billion, its largest deal at the time. Son borrowed heavily at the parent level to fund it, betting that mobile chip designs would power the next computing boom.
The deal closed in September 2016 and loaded the parent with debt. SoftBank later repaid it by selling stakes, including part of Arm in its 2023 IPO.
Arm became central to SoftBank's AI story and the group's main source of cash.
The ABB robotics purchase follows the same playbook: a large acquisition funded by parent-level debt — here including the ¥1 trillion retail bond — with assets expected to be monetized later.
Rakuten's retail bond push (2021–2024)
Rakuten, rated below investment grade, sold waves of retail bonds at coupons roughly double what top-rated issuers paid, to fund Rakuten Mobile's network buildout. The bonds drew household savings hungry for yield during the zero-rate era.
Rakuten raised hundreds of billions of yen from retail investors and completed its network rollout, though the mobile business burned cash for years.
It proved Japanese households will buy junk-rated corporate bonds at a yield premium.
SoftBank, also rated one notch below investment grade, is now running the same play at record scale with a ¥1 trillion retail bond.
