Iran, oil and market swings: why investment diversification matters

Markets can be unpredictable - but spreading your investments can help steady the ride. 

With global headlines dominated by the ongoing conflict in Iran and the resulting surge in oil prices, stock markets have experienced significant volatility - or ups and downs. Initially, markets fell sharply as tensions escalated, but more recently have recovered amid renewed optimism around the ceasefire and easing oil prices.

When the world feels uncertain, a well-diversified portfolio can give you confidence that you’re not putting all your eggs in one basket, helping you weather the ups and downs with more peace of mind.
 

Achieving balance through diversification

There’s no single 'right' level of diversification, but the basic principle is simple: try not to rely too heavily on one market, one region or one type of investment. Different investments tend to behave differently in changing market environments, so spreading your money can help reduce any negative impact if one area struggles.

For most long-term investors, diversification means holding a mix of assets such as stocks, bonds and alternatives, as well as spreading investments across different industries and countries. While this won’t fully eliminate ups and downs, it can help smooth the journey and reduce the risk of your portfolio moving sharply in one direction at the wrong time. 
 

Introducing alternatives

Alongside shares and bonds, you may have heard about 'alternative' investments. These can include assets such as property, infrastructure or other investments that don’t always move in line with stock markets.

They can play a useful supporting role in a diversified portfolio. Because they often respond differently to economic conditions, they may help balance periods when stock markets are volatile. That said, alternatives can be more complex and may not suit every investor, so they are usually a smaller part of a broader mix rather than a replacement for traditional investments like shares and bonds.

Balancing risk and return

In simple terms, higher potential returns usually come with higher risk. Shares, for example, can grow more over time but tend to move up and down more in the short term. Bonds are generally more stable. While they typically offer lower long-term growth and their value can rise and fall, they can provide a steadier income.

Balancing risk and return is about finding a mix that suits your goals, your time horizon and how comfortable you are with seeing your investments fluctuate. If you’re investing for the long term, short term market swings may matter less, and you may be able to tolerate more ups and downs. If you need your money sooner, or value stability more, a more cautious mix may make sense.

Regional exposure

It can be tempting to focus on familiar markets, such as the UK. But relying too heavily on one country or region can increase risk. Different regions perform well at different times, and global events can affect countries in very different ways.

Investing globally helps spread risk and gives you exposure to a wider range of companies, sectors and economies. The US market plays a major role in global growth, while other regions can offer diversification benefits and different opportunities.

Considering investment styles

To create a diversified investment portfolio, you could consider combining different investment styles rather than relying on just one approach. Some investments focus on growing in value over the long term, while others aim to provide steadier returns or a regular income.

You can also mix actively managed investments - where fund managers make decisions about what to buy and sell - with passive investments that track a market index like the FTSE 100. By spreading money across these different styles and approaches, you are less dependent on any single type of investment doing well at the right time, which can help smooth out ups and downs.

The bottom line

Market shocks and unsettling headlines are an unavoidable part of investing. While no strategy can remove uncertainty entirely, diversification remains one of the most effective ways to manage it. By spreading your investments across assets, regions and styles, you reduce the chance that any single event will derail your long-term plans - helping you stay invested with greater confidence, even when markets are unsettled.