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A trader is person or entity, in finance, who buys and sells financial instruments such as stocks, bonds, commodities and derivatives, in the capacity of agent, hedger, arbitrageur, or speculator.
Duties and types
Traders are either professionals (institutional) working in a financial institution or a corporation. 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: