The bond market rarely gets the same attention as the share market, yet the bond market is one of the clearest windows into what investors think is happening in an economy, and it has a much more direct bearing on our finances than many people realise. In this week’s article we will look at how the bond markets works, and why it is important for the everyday person to understand as it will directly impact their financial situation.
At its simplest, a bond is a loan. When you buy a bond issued by a government or company, you are lending that institution money and in return, it promises to pay you interest and, assuming it does not default, return your original investment at an agreed date.
The important thing to understand is that bonds can be bought and sold, in the secondary market, before they reach that date and this is where bond prices and yields come in.
Suppose you buy a bond for R1 000 that pays R80 a year in interest. If you keep it until maturity, that R80 does not change. But if interest rates rise and newly issued bonds begin offering investors R100 a year for every R1 000 invested, your old bond becomes less attractive. If you wanted to sell it, you would probably have to accept a lower price.
The reverse happens when interest rates fall. An existing bond paying R80 becomes more attractive when new bonds are paying less, so its market price can rise. This is why bond prices and yields generally move in opposite directions. Yield is essentially the return investors demand for holding a particular bond at its current price. When the price falls, the yield rises and when the price rises, the yield falls.
That relationship is important because bond yields contain a lot of information about how investors see the future. Government bond yields, in particular, reflect expectations about inflation, interest rates, economic growth and the risk associated with lending to that government.
If investors suddenly demand higher yields to hold government debt, it can be a sign that they want more compensation for inflation or risk and it can also reflect expectations that interest rates will remain higher for longer. Falling yields, on the other hand, can indicate that investors expect inflation and interest rates to come down, although there can be several reasons for movements in the market.
The bond market therefore acts rather like a running conversation about the economy and therefore investors are constantly reassessing where interest rates, inflation and growth are heading, and those expectations are reflected in bond prices and yields.
There is also an important distinction between movements in the bond market and the interest rate set by the central bank. The central bank controls its policy rate, but it does not set the yield on a ten-year government bond. That yield is determined by the market, based on what investors expect interest rates, inflation and the economy to look like over the coming years. This is one reason the bond market can sometimes appear to move ahead of the economy. Investors are pricing in what they expect to happen, rather than simply responding to what has already happened.
For ordinary households, this is not just financial-market noise. Interest rates affect the cost of a home loan, vehicle finance and other borrowing as well as the returns available on savings and fixed-income investments. Pension and retirement funds hold substantial amounts of bonds, so movements in the bond market can ultimately affect people’s retirement savings.
The government bond market also matters because governments borrow money to fund spending. If the cost of that borrowing rises, servicing the country’s debt becomes more expensive and that can put pressure on government finances and, over time, influence decisions about taxation and public spending.
This is why bond-market movements deserve attention even from investors who own no bonds themselves. The market is constantly pricing the future, and those prices eventually find their way into the real economy.
You do not need to follow the bond market every day, but understanding what yields are saying can give you a useful sense of where the economy may be heading and, importantly, how those changes could eventually show up in your own household finances.