What is 'oligopoly'? Definition & meaning

More terms

ESG investing

ESG is a hot topic right now for investors. Understand what ESG investing is all about and how you can use it to diversify your portfolio.

Accrued interest

The interest earned on a gilt since the last dividend date. When buying a gilt, the buyer pays the accrued interest at the time of a transaction to the seller in addition to the clean price of the gilt

Limit order

Learn what a limit order is and how to use it to make the most of your portfolio.

Time Value of Money

The concept that money you have now is more valuable than the same sum in the future.

Bull market

We explain what a 'bull market' means

Unicorn

A startup valued at over £1 billion. They are rare, hence the name.

Retail Prices Index (RPI)

An index published each month by the Office for National Statistics, which measures the level of retail prices in the UK. Cash flows on all index-linked gilts are linked to the RPI.

Geometric Mean Return

A way of calculating compound returns on an investment or savings over a set period of time.

Junk Bond

A form of debt investment that carries higher risk because of the likelihood that the issuer will default.

Oligopoly