In the second chapter, the paper introduce the model of geometric Brownian motion that the product of investing items satisfied when the bonus rate is not zero. In addition, this chapter introduce the pricing model of barrier investment option.

• 在第二章着重介绍了在红利不等于零的情况下,投资项目中的产品价格被假定为满足几何布朗运动的模型,并介绍了障碍投资期权的定价模型。