Dirty price

The total price payable on the purchase of a gilt. It’s calculated as the clean price plus accrued interest.

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Net asset value

Mutual funds and investment trusts are priced on their net asset value (NAV).
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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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Arithmetic Mean

The sum of a set of numbers added together and then divided by the total amount of numbers in that set.
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Equity ETF

An exchange-traded fund that is comprised of a set of stocks.
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Quantitative easing

Find out what quantitative easing is and how central banks use this monetary measure to encourage economic growth.
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LSE

London Stock Exchange, which was founded in 1571 and now has a market cap of almost $5 trillion.
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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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Beta

Learn what Beta stands for in finance.
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Equity

The amount of money a company would be left with by subtracting its liabilities from the value of its assets.
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