Value and Bivariate Sorts with Python

import pandas as pd import numpy as np import datetime as dt In this chapter, we extend the univariate portfolio analysis of Univariate Portfolio Sorts to bivariate sorts, which means we assign stocks to portfolios based on two characteristics. Bivariate sorts are regularly used in the academic asset pricing literature and are the basis for factors in the Fama-French three-factor model. However, some scholars also use sorts with three grouping variables. Conceptually, portfolio sorts are easily.