Bitcoin mining stock prices end week with mixed returns

Market Performance - Bitcoin mining stock prices exhibited mixed performances, with leading stocks nearly evenly split between gainers and losers [1] - As of October 17, 2025, Bitdeer significantly outperformed the sector with a gain of 29.84%, while Hut 8, Bitfarms, Cipher Mining, and MARA also posted positive returns [2] - Monthly performance showed all stocks in the cohort increased by double-digit percentages [3] Investor Interest and AI Exposure - Investor appetite for AI exposure has bolstered bitcoin mining stock prices, with most companies proposing strategies to enter AI/HPC infrastructure or compute services [4] - Notably, MARA is the exception among these companies in pursuing AI initiatives [4] Financing and Strategic Deals - Companies are actively pursuing financing to support their AI goals, with TeraWulf and IREN drawing on $3.2 billion and $1 billion convertible notes, respectively, and Bitfarms proposing a $300 million convertible note [5] - This fundraising is aimed at capital expenditures (CAPEX) for AI business lines [6] - IREN announced a multi-year deal to provide cloud services, estimating $500 million in annual recurring revenue, while most bitcoin miners are focusing on building infrastructure for GPU operators [6]