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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Accounting standards

The rules a company follows when preparing financial statements.
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Leverage

A method of trading using borrowed money that usually involves a very high level of risk.
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Volatility

A measure of how much the prices of an asset or index vary over time.
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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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Net asset value

Mutual funds and investment trusts are priced on their net asset value (NAV).
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Money weighted rate of return

Learn what Money Weighted Rate of Return or MWRR stands for in finance.
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Zero-Sum Game

A situation in which one person's gain is another's loss.
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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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NYSE

The world's largest stock exchange. Wall St HQ.
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