《Stochastic Calculus for Finance I》简介：

Developed for the professional Master's program in Computational Finance at Carnegie Mellon, the leading financial engineering program in the U.S. Has been tested in the classroom and revised over a period of several years Exercises conclude every chapter; some of these extend the theory while others are drawn from practical problems in quantitative finance

《Stochastic Calculus for Finance I》摘录：

股价涨跌变化的概率并不相干，关键是涨跌变动的幅度（即u和d的值），在二叉树模型中，衍生证券的价格取决于可能的股票价格路径的集合，而非这些路径的可能性。