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. According to the Wall Street Journal in 2004, a managing director convertible bond trader was earning between $700,000 and $900,000 on average.[1]
Traders are either professionals (institutional) working in a financial institution or a corporation, or individual (retail). 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.

ay trader refers to the hold time that a trader, trading in capacity of speculator, buys and sells financial instruments (e.g. stocks, options, futures, derivatives, currencies) within the same trading day, such that all positions will usually be closed before the market close of the trading day. This trading style is called day trading. Depending on one's trading strategy, it may range from several to hundreds of orders a day.
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