volatility

volatility

The most widely accepted measure of risk in financial markets is the amount by which the price of a security swings up and down. The more volatile the price, the riskier is the security. Not least because there is no obvious alternative, economists often use past volatility to forecast the future risk of a security. However, as the saying goes, past results are not necessarily guides to future performance.

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Part of Speech: noun
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Industry/Domain: Economy
Category: Economics
Company: The Economist
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