Answer:A margin call is a demand made by a broker for an investor to deposit additional funds into their margin account12. It refers specifically to a broker’s demand that an investor deposit additional money or securities into the account so that the value of the investor's equity (and the account value) rises to a minimum value indicated by the maintenance requirement2. The possibility of a margin call is one of the key risks of margin trading, a strategy that allows investors to purchase securities, such as stocks, with borrowed money1
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