Opturo’s Proprietary IRR Engine Excel Examples

Brinson Attribution was originally conceived as a single-period evaluation of the impact of sector effects vs. issue effects. Its development has moved along two dimensions. The first is its expansion to include multiperiod evaluations. The second is toward a clearer understanding of its purpose as an evaluation of controllable investment decisions.

Opturo--Andre Mirabelli, Ph.D.-- Building a robust ex post Performance and Attribution system involves a number of difficult challenges. It requires careful attention to a number of particular considerations and their convoluted interactions in order to consistently provide economically meaningful results, and not formally motivated calculations that are hidden behind familiar sounding names.

Written by the CFA Society NY's Performance & Risk Analytics Committee--Krista Harvey, CFA, CIPM , Andre Mirabelli, Ph.D.-- This paper is intended to help investment professionals by articulating common and acceptable industry practices as they relate to the calculation of timeweighted returns for a portfolio of investments on a net-of-fee basis...