In finance, a trader is someone who buys and sells financial instruments such as stocks, bonds and derivatives.

Traders are either professionals working in a financial institution or a corporation, or casual individual investors or speculators. They buy and sell financial instruments traded in the stock markets, derivatives markets and commodity markets, comprising the stock exchanges, derivatives exchanges and the commodities exchanges.

Several categories and designations for diverse kinds of traders are found in finance, these may include:

• stock trader
• day trader
• pattern day trader
• swing trader
• floor trader
• rogue trader

See also

• Trading strategy
• Commodities exchange
• Commodity market
• Stock exchange
• Stock market
• List of trading losses

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