A program trade is:. A. a trade of 10,000 (or more) shares of a stock. B. a trade of many shares of one stock for one other stock. C. a trade of analytic programs between financial analysts. D. a coordinated purchase or sale of an entire portfolio of stocks. E. not feasible with current technology but is expected to be popular in the near future.

The answer is: D

Explanation:

Program trading is the use of computer programs or algorithms to trade a portfolio of stocks at a high frequency and in large numbers. These algorithms, essentially 'machine traders', are created  to make trades on behalf of humans and are anticipated to have more precision and speed than human traders. However, these trades are created, monitored and analysed by human traders. The New York Stock Exchange classifies the coordinated trading of a group of 15 or more stocks with a combined market value of $1, 000, 000 as program trading.

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