An introduction to the main asset classes for ETF investors

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Equities are not the only asset class for ETF investors. ETFs in particular enable you to construct a diversified portfolio of different kinds of assets more cheaply and easily than ever.

An introduction to the main asset classes for ETF investors When most people hear the word investing they immediately think of shares - or equities, to give them their fancier name. But shares are just one of several asset classes that you should consider holding in your portfolio.
 
An asset class is a grouping of securities or investments that have similar characteristics and tend to behave the same way in a different market or economic conditions.
 
Because of the differing characteristics of the various asset classes, when one is struggling, another may be delivering superior returns.
 
Ideally, the poor returns from one asset class over some particular period of time may be more than offset by gains from a different one.
 
By holding different asset classes in a portfolio, an investor can therefore aim to generate an acceptable overall return, with reduced volatility on the total money they have invested. ETFs of different strategies and asset classes are ideal to build a buy and hold portfolio adapted to your needs. 
 

The main asset classes

These main asset classes are of interest to ETF investors:
 
Cash - Familiar to everyone, cash is the most liquid asset and the safest since it does not fluctuate with market pricing. However, the returns are typically low for this reason and may be negligible once inflation is taken into account. With money market ETFs, pay attention to the mapped currency: If such ETFs map currencies outside your currency area, the fluctuations in value can be considerable.
 
Bonds - Bonds are loans made by investors in return for a fixed income stream over a specific period of time, and also the promise of getting your initial cash back at the end of the period. Once issued, bonds are freely traded, which means their day-to-day prices fluctuate.
 
Property - Commercial property (also known as real estate) such as offices and factories, where an investor gets an income stream derived from rent, plus capital gains as building and land becomes more valuable. With ETFs, you invest in collections of listed property companies and listed real estate funds (REITs), rather than directly into the property. Performance fluctuates similarly to equities.
 
Equities - Traded shares of stock market listed companies. Shares can deliver an income stream (via dividends) but unlike with bonds, this is paid at the discretion of management. Investors also look for capital gains as companies (hopefully!) become more valuable over time. Over the long-term, equities in developed markets such as the UK and US have delivered the best returns, but at the cost of greater volatility - and the occasional stock market crash.
 
justETF tip: Find the best global equity ETFs easily with our investment guides on global developed equities or global equities with Emerging Markets.
Commodities - Commodities are bulk goods such as gold, oil, and corn. In general, they are traded on their future prices and offered in ETFs as mixed baskets. Precious metals, as an exception, may also be bought at spot price through Exchange Traded Commodities (ETCs). In a multi-asset portfolio, commodities generally are used to increase diversification and therewith lower risk. In addition, ETFs that offer commodity exposure are very popular with short-term traders taking a view on the markets.
 

Divide and conquer

These major asset classes can be broken down into further sub-categories. For example, bonds can be divided into government bonds and corporate bonds. Equities can be divided by country, by sector, by affiliation to themes, by size, or in many other different ways.
 
These subdivisions have their own characteristics of risk and reward and may respond differently to others in the same asset class over the economic cycle.
 

An ETF for every asset class

ETFs are an excellent way to get exposure to these asset classes quickly and cost-effectively.
 
You can find the right ETF for you using our ETF search and our investment guides and then simply buy it via your broker.
 
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