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Why summing up monthly performance numbers doesn’t match the annual performance

4 months ago by Tanja Schicklberger Tanja Schicklberger

A historical monthly performance table is used on almost every factsheet we produce for our customers. The example below shows the effective discrete performance of each month over a 5 year time horizon, with year-to-date (YTD) / annual performance. By looking at this table one would assume that all monthly performance numbers over one year […]

Properties of linear, discrete and continuous returns

4 years ago by Johannes Hauptmann Johannes Hauptmann

In this week’s article I wanted to dig a little deeper into the financial maths side of statistical measures. I thought it would be helpful to explain and prove some very important properties of linear, discrete and continuous returns. In common literature only discrete and continuous returns are analyzed as those are the only ones most […]