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.

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Annualised Rate of Return

The average annual return an investor sees over a set period of time.
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OEIC

Unique to the UK, these funds pool together money to invest from multiple investors.
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Inflation

The increase in the prices of goods and services over time, and the process by which money loses its value.
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Fixed Income

An investment that provides a fixed rate of return, often over a specific set of time.
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American Depository Receipt (ADRs)

Tradeable assets that let Americans invest in overseas stocks using US laws and dollars.
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Balance sheet

A summary of a company's finances, including its assets, liabilities and shareholder equity.
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Ponzi Scheme

A form of fraud designed to lure new investors, and pays the earlier backers by using the new investors' money.
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Unicorn

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

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