Maturity date

The date on which a gilt is redeemed and the gilt holder receives the repayment of the nominal amount and final dividend or coupon payment.

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Volatility

A measure of how much the prices of an asset or index vary over time.
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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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After-hours trading

Trading outside of a stock exchange's opening hours.
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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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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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Synthetic ETFs

An ETF that that reproduces the return of an index through the use of swaps.
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Net Asset Value (NAV)

The value of a company's assets relative to the number of shares it has.
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Unicorn

A startup valued at over £1 billion. They are rare, hence the name.
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52-week high/low

The highest, or lowest, price a share has traded at in a passing year.
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