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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Net asset value

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

Gilts where the dividends and principal repayments are fixed in nominal terms. This is as opposed to an index-linked gilt where the dividends and principal repayments are related to movements in the Retail Prices Index (RPI).
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Forward pricing

Mutual funds are traded on a forward pricing basis, meaning the price you see will be different to the price you may trade at.
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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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Key Information Document (KID)

A document issued by an investment fund to help investors determine if it's the right fund for them.
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Custodian bank

Learn what a custodian bank is.
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Maturity value

What's the maturity value of a bond?
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Internal Rate of Return (IRR)

A means of calculating the potential future return on an investment.
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Unit Trusts

A collective investment scheme the investors pay money into in exchange for units. The money is invested in a diversified portfolio of assets.
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