Zero-Sum Game

The amount of money made or lost from an investment. Usually expressed as a percentage.

The difference between a company's revenue and the cost to produce its goods/services, divided by revenue.

The highest, or lowest, price a share has traded at in a passing year.

Profit on an investment, expressed as a percentage of the investment.

A period of time that starts with the first day of the current calendar year and ends with today.

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.

Mutual funds are traded on a forward pricing basis, meaning the price you see will be different to the price you may trade at.

What's the base rate?

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