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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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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Geometric Mean Return

A way of calculating compound returns on an investment or savings over a set period of time.
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Equity ETF

An exchange-traded fund that is comprised of a set of stocks.
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W-8BEN Form

Non-US individuals and businesses may have to file this form for the Internal Revenue Service (IRS), the US tax authority.
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Net Income (NI)

The money a firm is left with from sales after subtracting taxes and different business costs.
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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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Internal Rate of Return (IRR)

A means of calculating the potential future return on an investment.
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Global Investment Performance Standards (GIPS)

A set of standards which investors use to present their investment results.
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Real Estate Investment Trust (REIT)

An investment trust specialised in investing in commercial property such as parking garages or GP offices.
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