10 Hot Stocks Under $20 to Buy

2. TeraWulf Inc. (NASDAQ:WULF)

TeraWulf Inc. (NASDAQ:WULF) is one of the best hot stocks under $20 to buy. TeraWulf Inc. (NASDAQ:WULF) announced its fiscal Q4 and full-year 2025 financial results on February 26, reporting that FY25 marked a fundamental inflection point for the company as it executed long-term data center lease agreements totaling 522 critical IT MW, providing stable cash-flow characteristics, multi-year revenue visibility, and scalable development capacity extending through the end of the decade.

Management reported that during the full year 2025, TeraWulf Inc. (NASDAQ:WULF) commenced recurring HPC lease revenue, signed more than $12.8 billion in long-term, credit-enhanced customer contracts, and completed $6.5 billion in long-term financings to support its rapidly expanding platform.

Revenue for the full year 2025 was $168.5 million, while non-GAAP adjusted EBITDA reached $23.1 million. TeraWulf Inc. (NASDAQ:WULF) reported cash, cash equivalents, and restricted cash of $3,722.8 million as of December 31, 2025. In addition, digital asset revenue was $26.1 million for the three months ended December 31, 2025, as compared to $43.4 million for the three months ended September 30, 2025, driven primarily by lower bitcoin production and price of bitcoin during fiscal Q4.

TeraWulf Inc. (NASDAQ:WULF) operates and owns data center infrastructure specifically designed for high-performance computing and Bitcoin mining. It primarily leverages environmentally sustainable and zero-carbon energy sources, such as hydroelectric and nuclear power, to power its Bitcoin mining and other operations.