Cipher Digital (NASDAQ:CIFR), a company that mines bitcoin and develops data centers, saw its shares retreat sharply on Oct. 13 after it unveiled plans to raise money through convertible debt.

The stock finished the session at $11.34, a decline of 12.77%. Wire reports described the move as roughly a 12% to 13% drop, with the pressure building in premarket trading once the financing plans became public.

The proposed transaction is an offering of $850 million in convertible notes. Coverage of the announcement characterized the notes as zero-coupon, meaning they are not structured to pay periodic cash interest. The sources reviewed by FXMARE do not provide further terms, such as conversion pricing, maturity, or how the proceeds would be used, so those details are not covered here.

Convertible note sales are a common way for growth-oriented companies to raise capital, and they often weigh on a share price when announced because the notes can be exchanged for equity, which raises the prospect of dilution for existing holders. The reporting reviewed here ties the decline in Cipher Digital to the financing news, rather than to any other company-specific development.

Cipher Digital operates at the intersection of two themes: bitcoin mining and the development of data center capacity. The offering's size is notable against that backdrop, though the available material does not specify how the capital would be allocated between the two business lines.

The session's outcome reflects investor reaction to the debt announcement as it was first described. Further details of the offering, including its pricing and final terms, were not part of the coverage reviewed by FXMARE.