i
News
News · 2026-09-21

SoftBank turns to risky debt for its OpenAI stake

@neuronium_ai @neuronium_ai

SoftBank plans to raise more than $11 billion through high-risk bonds to fund another payment for its stake in OpenAI, according to the Financial Times, which reviewed investor documents. The financing would replace short-term credit the Japanese company had already reserved for the deal with longer-term debt. That matters because the structure ties SoftBank more tightly to an OpenAI investment whose cash demands are measured in hundreds of billions of dollars.

Cover: SoftBank turns to risky debt for its OpenAI stake

The financing structure

SoftBank intends to issue:

$10 billion in bonds
1 billion euros in bonds

The terms are expected to be set on Thursday, and SoftBank is due to make the OpenAI payment in October.

The bonds are commonly known as junk bonds. They offer investors higher returns, but also increase the chance that investors will not recover their money. The Financial Times reported that most other large technology companies have recently issued safer debt.

SoftBank has already reserved up to $40 billion in short-term loans to finance the OpenAI transaction. The new issue would replace that borrowing with longer-term debt. For a period, that could push the company above its own debt limit.

The number behind the risk

OpenAI expects to spend nearly $280 billion in cash by the end of 2030, according to the Financial Times. SoftBank’s data-center business is also counting on future revenue from contracts with OpenAI.

Those figures make the bond issue more than a routine refinancing. SoftBank is raising money at a higher risk premium while its broader OpenAI exposure depends partly on future cash flows tied to the same company.

My read is that the financing says as much about SoftBank’s commitment as it does about its constraints. The company is not simply funding an equity purchase; it is reshaping its debt around that bet, even if doing so may temporarily exceed its own limit.

What the documents leave unclear is how the OpenAI-linked future revenue is expected to support the debt before those contracts produce cash. That gap matters more than the headline amount: $11 billion is large, but it sits inside a financing plan connected to an expected $280 billion cash outlay.

Daily AI news

Every day we pick what actually matters in AI and explain it plainly — no hype, no filler. Subscribe if you want to follow where the industry is going.

Only what matters — every day

Follow on X