Cipher Mining Stock Soars 7% After-Hours On Phase 1 Completion Of Mega Mining Data Center

Core Insights - Cipher Mining, Inc. (CIFR) shares experienced a significant increase in after-hours trading following the completion of Phase I of its Black Pearl data center, indicating strong market interest and potential for further growth [1][2]. Group 1: Stock Performance - CIFR stock surged over 7% in after-hours trading, building on an 11.75% increase during the regular trading session, reflecting a robust market response [2][4]. - The stock has seen an impressive rise of nearly 280% in 2025, showcasing its strong momentum in the market [4]. Group 2: Operational Milestones - The completion of Phase I of the Black Pearl facility in Texas has resulted in a self-mining hashrate of 10.1 exahashes per second (EH/s), contributing to an overall operating hashrate of 23.6 EH/s for the company [2][3]. - In September, Cipher Mining reported mining approximately 251 BTC, which includes 19 BTC produced through joint-venture data centers, highlighting its operational capabilities [3]. Group 3: Market Capitalization and Industry Context - Cipher Mining has a market capitalization of $6.89 billion, positioning it as a significant player in the Bitcoin mining and high-performance computing sectors [3]. - The current price of Bitcoin (BTC) is $122,038.50, reflecting a slight increase of 0.33% in the last 24 hours, which may influence mining profitability and company performance [3].