The different types of portfolio stress-testing

In previous articles published on DISCUS, Quintin Rayer gave a brief overview of portfolio stress-testing, what it can and cannot do and offered a definition.  This third article in the series outlines the range of stress-testing methodologies available and offers a classification.

To recap, extreme market moves can negatively impact portfolios in ways which may not be captured by conventional risk measures and diversification breakdown may mean that portfolio values are not protected. With guidance, you may be able to use stress-testing to estimate the impact on your clients’ portfolios and arrange for appropriate restructuring to limit the downside.  This helps demonstrate that advisers and investment managers are working hard to protect portfolios and clients can be reassured that robust investment processes are in place.

This article is the third in a series making up a helpful introduction to IFAs less familiar with portfolio stress-testing.  The previous articles can be found here:

Q G Rayer (2017), The different types of portfolio stress testing, DISCUS, available at, 3 pages, 9 March 2017.


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Dr Quintin Rayer

About Dr Quintin Rayer

Quintin is a Chartered Fellow of the Chartered Institute for Securities and Investments, a Chartered Wealth Manager and holds a Physics degree from Imperial College London and a Physics doctorate in atmospheric physics from Oxford University and is a Fellow of the Institute of Physics.