downsideglossary / DOWNSIDE downside. Securities.1. A downward movement of stock prices.2. The potential of a downward movement in stock prices. Cf. UPSIDE. 词条贡献者 译者黎川,毕业于世界顶级翻译学院,擅长翻译各种与专利与技术诉讼相关的法律文件。