用蒙特卡洛模拟的方法计算美式期权的价格以及基本描述,ML法能够很好的估计信号的信噪比,利用最小二乘算法实现对三维平面的拟合。- Monte Carlo simulation method of calculating the American option price and basic descr iption, ML estimation method can be a good signal to noise ratio, Least-squares algorithm to fit a three-dimensional plane.