If you're looking to learn about the stock market without spending money, several free courses in 2025 offer high-quality education on investing, trading, and market analysis. Platforms like GTF. Udemy, Coursera, and financial institutions provide beginner-friendly lessons covering everything from stock market fundamentals to advanced trading strategies. These courses include video lectures, quizzes, and real-world case studies, making them ideal for anyone looking to build financial literacy and improve their investment skills.