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NO.PZ2015122801000057问题如下Astriis short 400 shares of Astoanthe stock's current priis $95 per share. She wants to cover her short position if the prifalls to $80. Gail h250 shares of Bstock, whiis trang $86 per share, anhe nee to buy another 150 shares if the pririses to $98. Whorrs shoulAstrianGail establish to meet their targets?A.Astriestablishes stop buy $80 anGail establishes limit buy $98.B.Astriestablishes stop buy $95 anGail establishes stop buy $86.C.Astriestablishes limit buy $80 anGail establishes stop buy $98. C is correct.Astrishoulestablish a buy orr with a limit 80 because she wants to buy stoto close out her short position if she cbuy it 80(or less). Gail shoulestablish a stop buy 98 because this orr will executeonly if the stopririses to 98.C是正确的。本题考察的是股票交易术语的区别。Stop buy(停止买入) 和 limit buy（限价买入）的最大区别是前者是一个有效性指令，而后者是一个限定成交价的指令. Stop buy是大于等于某股价成交；limit buy是小于等于某股价成交。Stop buy意味着只要比该指令定的价格高，就要买入。在本题中，Astri空股票时的市场价格是95美金，如果用stop buy $80指令，由于市场价远高于80，指令会立即生效，则Astri刻被平仓，就达不到要的效果了。如果用limit buy，则意味这只有到达80这个股价（小于等于），才会平仓，这才满足Astri要求。所以A，B都是错误的。Limit buy同理，如果用limit buy 来实现Gail的愿望，当前股价86美金，那成交的就会是84美金到98美金之间的单，显然不符合Gail的要求。而stop buy是大于98才成交。C正确。 请问84美金（解析）是哪里来的数字？谢谢

NO.PZ2015122801000057问题如下Astriis short 400 shares of Astoanthe stock's current priis $95 per share. She wants to cover her short position if the prifalls to $80. Gail h250 shares of Bstock, whiis trang $86 per share, anhe nee to buy another 150 shares if the pririses to $98. Whorrs shoulAstrianGail establish to meet their targets?A.Astriestablishes stop buy $80 anGail establishes limit buy $98.B.Astriestablishes stop buy $95 anGail establishes stop buy $86.C.Astriestablishes limit buy $80 anGail establishes stop buy $98. C is correct.Astrishoulestablish a buy orr with a limit 80 because she wants to buy stoto close out her short position if she cbuy it 80(or less). Gail shoulestablish a stop buy 98 because this orr will executeonly if the stopririses to 98.C是正确的。本题考察的是股票交易术语的区别。Stop buy(停止买入) 和 limit buy（限价买入）的最大区别是前者是一个有效性指令，而后者是一个限定成交价的指令. Stop buy是大于等于某股价成交；limit buy是小于等于某股价成交。Stop buy意味着只要比该指令定的价格高，就要买入。在本题中，Astri空股票时的市场价格是95美金，如果用stop buy $80指令，由于市场价远高于80，指令会立即生效，则Astri刻被平仓，就达不到要的效果了。如果用limit buy，则意味这只有到达80这个股价（小于等于），才会平仓，这才满足Astri要求。所以A，B都是错误的。Limit buy同理，如果用limit buy 来实现Gail的愿望，当前股价86美金，那成交的就会是84美金到98美金之间的单，显然不符合Gail的要求。而stop buy是大于98才成交。C正确。 在本题中使用stop sell 是否可以达到limit orr to sell 同样效果?

NO.PZ2015122801000057 问题如下 Astriis short 400 shares of Astoanthe stock's current priis $95 per share. She wants to cover her short position if the prifalls to $80. Gail h250 shares of Bstock, whiis trang $86 per share, anhe nee to buy another 150 shares if the pririses to $98. Whorrs shoulAstrianGail establish to meet their targets? A.Astriestablishes stop buy $80 anGail establishes limit buy $98. B.Astriestablishes stop buy $95 anGail establishes stop buy $86. C.Astriestablishes limit buy $80 anGail establishes stop buy $98. C is correct.Astrishoulestablish a buy orr with a limit 80 because she wants to buy stoto close out her short position if she cbuy it 80(or less). Gail shoulestablish a stop buy 98 because this orr will executeonly if the stopririses to 98.C是正确的。本题考察的是股票交易术语的区别。Stop buy(停止买入) 和 limit buy（限价买入）的最大区别是前者是一个有效性指令，而后者是一个限定成交价的指令. Stop buy是大于等于某股价成交；limit buy是小于等于某股价成交。Stop buy意味着只要比该指令定的价格高，就要买入。在本题中，Astri空股票时的市场价格是95美金，如果用stop buy $80指令，由于市场价远高于80，指令会立即生效，则Astri刻被平仓，就达不到要的效果了。如果用limit buy，则意味这只有到达80这个股价（小于等于），才会平仓，这才满足Astri要求。所以A，B都是错误的。Limit buy同理，如果用limit buy 来实现Gail的愿望，当前股价86美金，那成交的就会是84美金到98美金之间的单，显然不符合Gail的要求。而stop buy是大于98才成交。C正确。 如题

NO.PZ2015122801000057 问题如下 Astriis short 400 shares of Astoanthe stock's current priis $95 per share. She wants to cover her short position if the prifalls to $80. Gail h250 shares of Bstock, whiis trang $86 per share, anhe nee to buy another 150 shares if the pririses to $98. Whorrs shoulAstrianGail establish to meet their targets? A.Astriestablishes stop buy $80 anGail establishes limit buy $98. B.Astriestablishes stop buy $95 anGail establishes stop buy $86. C.Astriestablishes limit buy $80 anGail establishes stop buy $98. C is correct.Astrishoulestablish a buy orr with a limit 80 because she wants to buy stoto close out her short position if she cbuy it 80(or less). Gail shoulestablish a stop buy 98 because this orr will executeonly if the stopririses to 98.C是正确的。本题考察的是股票交易术语的区别。Stop buy(停止买入) 和 limit buy（限价买入）的最大区别是前者是一个有效性指令，而后者是一个限定成交价的指令. Stop buy是大于等于某股价成交；limit buy是小于等于某股价成交。Stop buy意味着只要比该指令定的价格高，就要买入。在本题中，Astri空股票时的市场价格是95美金，如果用stop buy $80指令，由于市场价远高于80，指令会立即生效，则Astri刻被平仓，就达不到要的效果了。如果用limit buy，则意味这只有到达80这个股价（小于等于），才会平仓，这才满足Astri要求。所以A，B都是错误的。Limit buy同理，如果用limit buy 来实现Gail的愿望，当前股价86美金，那成交的就会是84美金到98美金之间的单，显然不符合Gail的要求。而stop buy是大于98才成交。C正确。 第一个人，他做空股票，那么不是应该在股票价格上涨到一定的点，止损买入才合算吗，股票价格越低对他不是越好吗，为什么还要设置下限？第二个人，股票在涨，他想额外买一些，不也是应该有个上限吗？