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What is High-Frequency Trading (HFT)?
High-Frequency Trading is a method of buying and selling financial assets using powerful computer programs that execute thousands of orders in a fraction of a second. These systems use complex mathematical models to analyze market data and identify small price discrepancies across different exchanges. By acting faster than any human trader could, these systems aim to profit from tiny changes in value. Because these trades happen so quickly, they rely on specialized hardware located physically close to exchange servers to minimize any delay in data transmission.
Why this matters to you
For professionals outside of finance, this matters because it changes how markets function. While it makes it easier to buy or sell stocks quickly, it also introduces risks. These systems can react to news or data in ways that cause sudden, extreme swings in stock prices, which can impact investment portfolios, retirement accounts, and overall market confidence during periods of economic uncertainty.
How you might hear this
Regulators are examining how high-frequency trading impacts the stability of the stock exchange during flash crashes.
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