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Cipher’s $850 million AI bet deepens investor scrutiny as Bitcoin miner’s stock plunges 52%

Reported by Cryptonews
Oct 19, 2026· 3 min read
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Key Takeaways
  • • Cipher Digital issued 40.7 million new common shares in an exchange of approximately $165.9 million in convertible notes due 2030, per an Oct. 16 SEC filing, leaving roughly $6.6 million of that debt series outstanding.
  • • Cipher completed a separate $850 million convertible bond offering on Oct. 16, with expected net proceeds of about $835.1 million before offering expenses, after roughly $89.7 million spent on capped-call transactions.
  • • The company's stock closed at $8.98 on Oct. 16, down 10.6% on the session, at its lowest level since September 2025 and more than 52% lower over the past year, according to Yahoo Finance data.
  • • The two transactions add about $684 million in outstanding debt principal and immediate dilution as Cipher expands high-performance computing and AI data center capacity.
  • • Cipher began delivering capacity at its Black Pearl data center in August, two months ahead of schedule, triggering initial rental payments from a hyperscale tenant.
Summary
Cipher Digital's shares slumped to their lowest level since September 2025 after the Bitcoin miner issued 40.7 million new shares and completed an $850 million convertible bond offering to fund its expansion into artificial intelligence and high-performance computing infrastructure. Yahoo Finance data shows the stock closed at $8.98 on Oct. 16, down 10.6% for the session and more than 52% over the past year. Per the company's Oct. 16 SEC filing, Cipher exchanged approximately $165.9 million in convertible notes due 2030 for 40.7 million newly issued common shares, including consideration for accrued interest. The exchange eliminates most of that debt series, leaving approximately $6.6 million outstanding, but immediately expands the share base and dilutes existing investors. The stock has fallen roughly 31% per share since Oct. 12, and bondholders receiving the new shares could add selling pressure if they liquidate or unwind hedges tied to the original debt.

Separately, Cipher completed the $850 million convertible bond offering on Oct. 16. The new notes mature in November 2032 and carry no regular interest payments, but investors can demand cash repayment in November 2030 under specified conditions, which could create a substantial refinancing obligation before scheduled maturity. The securities carry an initial conversion price of approximately $15.31 per share, well above the latest closing price. Cipher spent about $89.7 million on capped-call transactions intended to limit dilution from future conversions, with protection extending to an initial share price of $28.35. The company expects approximately $835.1 million in proceeds after initial purchaser discounts and commissions, before offering expenses, to be directed toward Barber Lake, other high-performance computing developments and new sites. Together, the two deals leave Cipher with about $684 million more in outstanding debt principal.

The financing comes as Cipher seeks to replace its reliance on Bitcoin mining with recurring revenue from leasing infrastructure to major computing customers. In its August business update, the company reported about $25 million in second-quarter revenue and a $30 million adjusted EBITDA loss, highlighting the gap between current operating income and the capital required for expansion. A positive development came in August, when Cipher began delivering capacity at its Black Pearl data center two months ahead of schedule, triggering initial rental payments from its hyperscale tenant. Construction is advancing at Barber Lake and Stingray while the development pipeline expands. Investors will watch whether rental income can support these commitments before holders gain the right to demand repayment in 2030.

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Sources

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Cryptonews Cipher’s $850 million AI bet deepens investor scrutiny as Bitcoin miner’s stock plunges 52%