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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Time-Weighted Rate of Return (TWRR)

A return calculated over the time period invested, that excludes extraneous elements, such as deposits to and withdrawals from the investment accounted.
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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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Oligopoly

A situation in which a market or industry is controlled by a small group of companies.
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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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Bond

Learn what a bond is
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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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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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Costs and Charges

The money you pay when investing.
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