Most events in economics and finance are stochastic, i.e. unknown. But we can forecast them with a certain probability. That is what this book does. We introduce 10 forecasting methodologies: Simple ones such as Fundamental and Technical analysis (chapters 2 and 3), and traditional forecasting methods such as Statistical Concepts (chapters 4, 5, and 6). We also explain the latest, more mathematical methods such as Stochastic Processes (chapters 7 and 8), Extreme Value Theory (chapter 9) and AI and Forecasting (chapter 10). So we hope many can benefit from this book.