2020年CFA二级考试共有六个科目内容发生变动，分别是：
一、伦理与职业标准（Ethical and Professional Standards）
删除两个章节：
Reading 4 Trade Allocation: Fair Dealing and Disclosure
Reading 5 Changing Investment Objectives
二、数量方法（Quantitative Methods）
Reading 4 Introduction to Linear Regression，删除关于相关分析的考纲要求：
a. calculate and interpret a sample covariance and a sample correlation coefficient and interpret a scatter plot;
b. describe limitations to correlation analysis;
c. formulate a test of the hypothesis that the population correlation coefficient equals zero and determine whether the hypothesis is rejected at a given level of significance；
Reading 5 Multiple Regression，删除关于机器学习的三条原考纲要求：
p.distinguish between supervised and unsupervised machine learning；
q.describe machine learning algorithms used in prediction, classification, clustering, and dimension reduction；
r.describe the steps in model training；
新增Reading 7 Machine Learning；
新增Reading 8 Big Data Project；
