A practical look at the two numbers that quietly determine most valuation outcomes In the world of investing, few things look as scientific as a spreadsheet filled with discounted cash flow models. Columns of numbers stretch across the screen, formulas hum quietly in the background, and the final output delivers a valuation with impressive precision—often down to the cent. Yet hidden inside those elegant models are two assumptions that quietly control the entire outcome. Terminal growth. And the discount rate. These two variables are the gravitational forces of valuation. Change them slightly and the entire financial universe of a company shifts. For late-stage companies—firms that have moved past hypergrowth but still have long operating runways—these assumptions become especially important. The reason is simple: most of the value in a discounted cash flow (DCF) model often comes from the terminal value, which itself depends heavily on growth and discount rate assumptions. Unde...