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sarahjia · 2020年03月16日

问一道题：NO.PZ2015122801000057

  1. CFA I
  2. Equity

问题如下：

Astrid is short 400 shares of ABC stock and the stock's current price is $95 per share. She wants to cover her short position if the price falls to $80.

Gail has 250 shares of BBC stock, which is trading at $86 per share, and he needs to buy another 150 shares if the price rises to $98. What orders should Astrid and Gail establish to meet their targets?

选项：

A.

Astrid establishes stop buy at $80 and Gail establishes limit buy at $98.

B.

Astrid establishes stop buy at $95 and Gail establishes stop buy at $86.

C.

Astrid establishes limit buy at $80 and Gail establishes stop buy at $98.

解释：

C is correct.

Astrid should establish a buy order with a limit at  80 because she wants to buy stock to close out her short position if she can buy it at 80(or less).

Gail should establish a stop buy at 98 because this order will be executed only if the stock price rises to 98.

老师你好，看了您的解释后还是不是很懂。。。题干的意思不是A在每股$95的时候买了四百股G不是在$86的时候买了250股，不是这个意思吗。。谢谢

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maggie_品职助教 · 2020年03月16日

嗨，爱思考的PZer你好：


不对啊，请仔细读题 A是在95元时卖了400股，所以它担心股票下跌，希望在股票价格下跌至80时止损，所以是limit buy 80,以不高于80元的价格买入。

而G现在已经拥有250股价格为86的BBC股票，他希望股票涨到98时再买入150股，因此stop buy at $98，股票价格触碰98才开始生效并买入。


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加油吧，让我们一起遇见更好的自己！


PaisleyPPx · 2020年06月29日

老师 不理解为什么A 95卖了之后会担心股价下跌？ 都卖了啊，不是更不喜欢它上涨吗？

runarn · 2021年11月17日

我理解G拥有250股价格为86的股票，他应该就是long position吧？那按照基础班老师讲解的例子，应该只有可能执行stop sell with limit price的指令吧？为什么还可以做stop buy 指令呢？

王园圆_品职助教 · 2021年11月17日

嗨，从没放弃的小努力你好：


同学你好， 这里的意思是G已经拥有了250股的BBC股票，但是他依然非常看好这个股票，认为如果股价超过了98的话，就说明这个股票还有很大的未来成长性（还能涨很多），所以他才会设定一个在股价达到98以后继续买入100股的指令哦~~

老师上课中是不会说：因为已经持有了某只股票就不可以继续买入只能卖出的哦~~这种持有了还想继续买入的指令是非常正常的哦~~

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就算太阳没有迎着我们而来，我们正在朝着它而去，加油！

韩韩_品职助教 · 2021年07月13日

嗨，努力学习的PZer你好：


Weiwei🍀💋🐶同学你好：


对的，short sell是预计股价会下跌，她96元每股时借入股票，然后卖出，希望设定未来以不高于80的价格把它买回

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虽然现在很辛苦，但努力过的感觉真的很好，加油！

maggie_品职助教 · 2020年06月30日

这里的是“short”一般指的是卖空交易，当我们看跌某只股票的时候就可以借股票卖出，如果股票真的下跌了，再买回来而获利。A同学是在卖空股票，说明她是借股票卖空，那么未来就要偿还借出的股票，也叫作cover her short position，这道题说她希望设定了在80元买入回股票。因此是下的是limit buy 80（不高于80的价格买入）。

对，我上面这个回答笔误了，卖空是担心股票上涨不是担心股票下跌。谢谢你的提醒。加油~

Weiwei🍀💋🐶 · 2021年07月04日

卖空不是对后市看空,预计会下跌么？

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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

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