It is your first meeting with new clients, Bill and Suzie. At some stage, probably quite early, risk tolerance will come up for discussion. You know that while Bill is probably more risk tolerant than Suzie, it is quite possible that Suzie is the more risk tolerant of the two. You also know that quite often there is a significant difference in risk tolerances within a couple and that this can be a problem that you will need to help them resolve. Before looking at how you might do this, let's look at the statistics about within-couple differences.
At FinaMetrica, when we extract couples data from our database of more than 400,000 risk profiles, the within-couples picture looks like this
Mean Standard Deviation
Males: 61.0 12.3
Females: 54.0 12.1
(The 0-100 risk tolerance scale used for these measurements has a mean of 50 and a standard deviation of 10.)
This means that in 66% of couples, the husband is more risk tolerant than the wife and, obviously, in 34% the wife is more risk tolerant than the husband. However, in terms of finding strategies with which both will be comfortable, the question to ask is not which of the two is more risk tolerant but rather whether there is a significant difference in their risk tolerances. Here it is a question of degree and it would appear that anything more than a standard deviation, 10 points on the scale, deserves consideration.
The statistics tell us that in 60% of couples there is a difference of 10 points or more. Where there is a difference of this magnitude, the wife is the more risk tolerant of the two, slightly more than 25% of the time.
Investment Implications of Mars and Venus
To put this in perspective from an investment strategy point of view, one point of risk tolerance is roughly equivalent to 1% of stocks in an investment
portfolio. So if Suzie's risk tolerance score is 60 she can be expected to be emotionally comfortable with a 60% stocks portfolio. If Bill's score is 50, that would indicate comfort with a 50% stocks portfolio. Of course with a mapping like this we are talking more about comfort zone ranges rather than a specific point of comfort because portfolio volatility is not highly sensitive to the percentage of stocks in a portfolio.