Investment Insights: February 2018

After a period of relative calm in the markets, in recent days the increase in volatility in the stock market has resulted in renewed anxiety for many investors.


Hello and welcome to a Volatility special edition of Investment Insights.

After a period of relative calm in the markets, in recent weeks the increase in volatility in the stock market has resulted in renewed anxiety for many investors.

From February 1–5, the US market (as measured by the Russell 3000 Index) fell almost 6% and in Australia, the S&P/ASX 300 Index fell almost 5% during the equivalent period.[1] This resulted in many investors wondering what the future holds and if they should make changes to their portfolios. While it may be difficult to remain calm during a substantial market decline, it is important to remember that volatility is a normal part of investing. Additionally, for long-term investors, reacting emotionally to volatile markets may be more detrimental to portfolio performance than the market fall itself.

Intra-year declines

Exhibit 1 shows calendar year returns for the Australian stock market since 2001, as well as the largest intra-year declines that occurred during a given year. During this period, the average intra-year decline was about 13%. About 60% of the years observed had declines of more than 10%, and about 40% had declines of more than 15%. Despite substantial intra-year drops, calendar year returns were positive in 14 years out of the 17 examined. 

This goes to show just how common market declines are and how difficult it is to say whether a large intra-year decline will result in negative returns over the entire year.

Exhibit 1 - Australian Market Intra-Year Gains and Declines vs. Calendar Year Returns, 2001–2017.

investment insights exhibit 1

In Australian dollars. Australian Market is measured by the S&P/ASX 300 Index (total return). Largest Intra-Year Gain refers to the largest market increase from trough to peak during the year. Largest Intra-Year Decline refers to the largest market decrease from peak to trough during the year. S&P/ASX data reproduced with the permission of S&P Index Services Australia.

Reacting impacts performance

If one was to try and time the market in order to avoid the potential losses associated with periods of increased volatility, would this help or hinder long-term performance? If current market prices aggregate the information and expectations of market participants, stock mispricing cannot be systematically exploited through market timing. In other words, it is unlikely that investors can successfully time the market, and if they do manage it, it may be a result of luck rather than skill. Further complicating the prospect of market timing being additive to portfolio performance is the fact that a substantial proportion of the total return of stocks over long periods comes from just a handful of days. Since investors are unlikely to be able to identify in advance which days will have strong returns and which will not, the prudent course is likely to remain invested during periods of volatility rather than jump in and out of stocks. Otherwise, an investor runs the risk of being on the sidelines on days when returns happen to be strongly positive. 

Exhibit 2 helps illustrate this point. It shows the annualised compound return of the S&P/ASX 300 Index going back to 2001 and illustrates the impact of missing out on just a few days of strong returns. The bars represent the hypothetical growth of $1,000 over the period and show what happened if you missed the best single day during the period and what happened if you missed a handful of the best single days. The data shows that being on the sidelines for only a few of the best single days in the market would have resulted in substantially lower returns than the total period had to offer.

Exhibit 2 - Performance of the S&P/ASX 300 Index, 2001–2017.

investment insights exhibit 2

In Australian dollars. For illustrative purposes. The missed best day(s) examples assume that the hypothetical portfolio fully divested its holdings at the end of the day before the missed best day(s), held cash for the missed best day(s), and reinvested the entire portfolio in the S&P/ASX 300 Index (total return) at the end of the missed best day(s). Annualized returns for the missed best day(s) were calculated by substituting actual returns for the missed best day(s) with zero. S&P/ASX data reproduced with the permission of S&P Index Services Australia.


While market volatility can be nerve-racking for investors, reacting emotionally and changing long-term investment strategies in response to short-term declines could prove more harmful than helpful. By adhering to a well-thought-out investment plan, ideally agreed upon in advance of periods of volatility, investors may be better able to remain calm during periods of short-term uncertainty.

Additional reading

For those of you who would like to do some more reading around volatility we have listed and linked below some additional material for you to review:


If you would like to discuss any aspect of your strategy and investments, or you would like help putting one together, please contact one of our advisors today.


Daniel Minihan
Partner, Private Clients and Wealth

Matthew Oakey
Partner, Private Clients

David Foord
Senior Manager, Wealth Management

Matthew Baum
Private Client Advisor, Wealth Management

Keegan O'Rourke
Private Client Advisor, Wealth Management

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[1].    The fall in the S&P/ASX 300 index was measured from February 2–6. Frank Russell Company is the source and owner of the trademarks, service marks, and copyrights related to the Russell Indexes. S&P/ASX data copyright 2018 S&P Dow Jones Indices LLC, a division of S&P Global. All rights reserved.