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标题: Reading 52: Organization and Functioning of Securities Ma [打印本页]

作者: yanghon    时间: 2009-3-2 12:53     标题: [2009] Session 13 - Reading 52: Organization and Functioning of Securities Ma

 

Q7. An investor buys 200 shares of ABC at the market price of $100 on full margin. The initial margin requirement is 40% and the maintenance margin requirement is 25%.

If the shares of stock later sold for $200 per share, what is the rate of return on the margin transaction?

A)   400%.

B)   250%.

C)   100%.

 

Q8. Mark Ritchie purchased, on margin, 200 shares of TMX Corp. stock at a price of $35 per share. The margin requirement was 50%. The stock price has increased to $42 per share. What is Ritchie’s return on investment before commissions and interest if he decides to sell his TMX holdings now?

A)   20%.

B)   10%.

C)   40%.

 

Q9. Lynne Hampton purchased 100 shares of $75 stock on margin. The margin requirement set by the Federal Reserve Board was 40%, but Hampton’s brokerage firm requires a total margin of 50%. Currently the stock is selling at $62 per share. What is Hampton’s return on investment before commission and interest if she sells the stock now?

A)   -40%.

B)   -17%.

C)   -35%.

 

Q10. Using the following assumptions, calculate the rate of return on a margin transaction for an investor who purchases the stock and the stock price at which the investor would have received a margin call.

          Margin Return               Margin Call Price

 

A)      6.3%                                $25.60

B)      15.6%                              $25.60

C)      15.6%                              $17.07

 

Q11. An investor purchases 200 shares of Merxx on margin. The shares are trading at $40. Initial and maintenance margins are 50% and 25%.

If the investor sells the stock when the price rises to $50 at year-end, the return on the investment would be closest to:

A)   50.00%.

B)   25.00%.

C)   18.75%.

 

Q12. If the company pays a dividend of $0.75, the return on the investment would be closest to:

A)   39.55%.

B)   53.75%.

C)   15.75%.

 

Q13. When using margin to invest in equities, which of the following defines initial margin and what level will the margin be brought back to in the event of a margin call?

                 Initial margin                                              Margin call action

A) amount of borrowed funds in the transactions                      a deposit must be made to bring the margin back to the maintenance margin

B) minimum amount of equity required of the investor            a deposit must be made to bring the margin back to the maintenance margin

C) minimum amount of equity required of the investor              a deposit must be made to bring the margin back to the initial margin

 


作者: yanghon    时间: 2009-3-2 12:54     标题: [2009] Session 13 - Reading 52: Organization and Functioning of Securities Ma

Q7. An investor buys 200 shares of ABC at the market price of $100 on full margin. The initial margin requirement is 40% and the maintenance margin requirement is 25%.fficeffice" />

If the shares of stock later sold for $200 per share, what is the rate of return on the margin transaction?

A)   400%.

B)   250%.

C)   100%.

Correct answer is B)

One quick (and less than intensive) way to calculate the answer to this on the examination (and it is very important to save time on the examination) is to first calculate the return if all cash, then calculate the margin leverage factor and then finally, multiply the leverage factor times the all cash return to obtain the margin return.

Calculations:

Step 1: Calculate All Cash Return:

Cash Return % = [(Ending Value / Beginning Equity Position) – 1] × 100

= [(($200 × 200) / ($100 × 200)) – 1] × 100 = 100%

Step 2: Calculate Leverage Factor:

Leverage Factor = 1 / Initial Margin % = 1 / 0.40 = 2.50

Step 3: Calculate Margin Return:

Margin Transaction Return = All cash return × Leverage Factor = 100% × 2.50 = 250%

Note: You can verify the margin return as follows:

Margin Return % = [((Ending Value ? Loan Payoff) / Beginning Equity Position) – 1] × 100

= [(([$200 × 200] – [$100 × 200 × 0.60]) / ($100 × 0.40 × 200)) – 1] × 100

= [ ((40,000 ? 12,000) / 8,000) ? 1] × 100 = 250%

 

Q8. Mark Ritchie purchased, on margin, 200 shares of TMX Corp. stock at a price of $35 per share. The margin requirement was 50%. The stock price has increased to $42 per share. What is Ritchie’s return on investment before commissions and interest if he decides to sell his TMX holdings now?

A)   20%.

B)   10%.

C)   40%.

Correct answer is C)

200 shares x $35 = $7000 Initial Market Value
$7000 x .50 = $3500 cash payment and $3500 borrowed.
The new market value of the stock after price increase is (200 x $42) = $8400. If Ritchie sold his holdings he would have $4900 ($8400 - $3500) left after the loan was paid. So Ritchie’s return on his original $3500 investment is:
$4900/3500 – 1 = 1.4 – 1.0 = 0.40 = 40%.

 

Q9. Lynne Hampton purchased 100 shares of $75 stock on margin. The margin requirement set by the Federal Reserve Board was 40%, but ffice:smarttags" />Hampton’s brokerage firm requires a total margin of 50%. Currently the stock is selling at $62 per share. What is Hampton’s return on investment before commission and interest if she sells the stock now?

A)   -40%.

B)   -17%.

C)   -35%.

Correct answer is C)

Hampton originally purchased 100 shares at $75 for a total value of $7500. Half of the value ($3750) was borrowed and Hampton paid cash for the other half. The current total market value of the stock is $6200. If Hampton sells her holdings she will have $2450 left after she pays off the loan. Hampton’s return on her original investment is:
$2450/3750 – 1 = 0.65 – 1 = -0.35 = -35%.

 

Q10. Using the following assumptions, calculate the rate of return on a margin transaction for an investor who purchases the stock and the stock price at which the investor would have received a margin call.

          Margin Return               Margin Call Price

 

A)      6.3%                                $25.60

B)      15.6%                              $25.60

C)      15.6%                              $17.07

Correct answer is B) 

Part 1: Calculate Margin Return:

Margin Return %

= [((Ending Value – Loan Payoff) / Beginning Equity Position) – 1] × 100
= [(([$34 × 1,000] – [$32 × 1,000 × 0.60]) / ($32 × 0.40 × 1,000)) – 1] × 100
= 15.6%

Alternative (Check): Calculate the all cash return and multiply by the margin leverage factor.
[(34,000 – 32,000) / 32,000] × [1 / 0.40] = 6.35% × 2.5 = 15.6%

Part 2: Calculate Margin Call Price:

The formula for the margin call price is:
Margin Call = (original price) × (1 - initial margin) / (1 - maintenance margin)
= $32 × (1 - 0.40) / (1 - 0.25) = approximately $25.60

 

Q11. An investor purchases 200 shares of Merxx on margin. The shares are trading at $40. Initial and maintenance margins are 50% and 25%.

If the investor sells the stock when the price rises to $50 at year-end, the return on the investment would be closest to:

A)   50.00%.

B)   25.00%.

C)   18.75%.

Correct answer is A)

Profit = 10,000 – 8,000 = 2,000
Return = 2,000 / 4,000 = 50%

 

Q12. If the company pays a dividend of $0.75, the return on the investment would be closest to:

A)   39.55%.

B)   53.75%.

C)   15.75%.

Correct answer is B)

Dividends income = (0.75) × (200) = $150
Profit = 10,000 – 8,000 + 150 = 2,150
Return = 2,150 / 4,000 = 53.75%

 

Q13. When using margin to invest in equities, which of the following defines initial margin and what level will the margin be brought back to in the event of a margin call?

                 Initial margin                                              Margin call action

A) amount of borrowed funds in the transactions                      a deposit must be made to bring the margin back to the maintenance margin

B) minimum amount of equity required of the investor            a deposit must be made to bring the margin back to the maintenance margin

C) minimum amount of equity required of the investor              a deposit must be made to bring the margin back to the initial margin

Correct answer is B)

The initial margin requirement refers to the minimum amount of equity required of the investor.

With equities, if the margin falls below the maintenance margin, funds must be deposited to bring it back up to the maintenance margin level.


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作者: 苹果香蕉    时间: 2010-9-24 12:00     标题: 《2012》末日场景可能成真吗

《2012》末日场景可能成真吗?


美国大片《2012》带来的世界末日担忧如同影片里的超级海啸般席卷全球,尽管上到美国宇航局(NASA)和各国科学家,下到生活在危地马拉和墨西哥的现代玛雅人都出面安抚民众,称“玛雅历法中的2012年只是一个纪年轮回的结束,而并非世界末日”,但逼真的特效场景、听起来像模像样的“科学推论”和人类文明最终几乎完全被摧毁这种“冷酷的真实”,仍让很多观众信以为真。那么在这部大片的灾难性场景中,到底有多少可能成真呢?
  
  “中微子导致地球末日”
  根据《2012》影片中的说法,世界末日的到来是由于2012年太阳处于异常活跃期,它发出的大量中微子让地球内部温度急剧升高,加速了大陆板块的移动和碰撞,并由此引起全球范围内的火山整形美容地震等大规模地质灾害,最终形成高达1500米的超级海啸横扫全球,结束了地球上绝大部分生命。2009年1月由美国宇航局提供研究资金、美国国家科学院发布的一份特别报告中也宣称“2012年太阳活动将会异常猛烈”,这似乎和“2012年末日说”遥相呼应。
  那么作为导致这一切的“元凶”,中微子究竟是什么东西呢?中科院南京紫金山天文台王思潮研究员解释说,中微子是一种基本粒子,去皱由恒星内部的热核聚变产生,并向宇宙周围高速扩散。它的体积和质量都很小,最大的特点是具有极强的穿透能力,能自由地穿过墙壁、山脉甚至地球等行星而不发生隆下巴何变化。中微子的穿透力强,意味着它基本上不和任何物质发生反应。据估算,每秒钟穿过人体的中微子多达几万亿个,但并不会对人体造成什么影响。王思除皱术潮研究员认为,抵达地球的中微子基本都完全穿透地球继续飞向太空,太阳活动带来的中微子数量变化不可能像《2012》中说的那样加热地球内部。美国宇航局科学家也解释说,太阳风暴爆发周期约为11年,但“至少去眼袋在短期内不存在烤焦地球的可能性”。
  不过太阳活动对人类影响也不容忽视。太阳黑子活动高峰释放出的太阳风暴往往会造成“磁暴”现象,直接影响地球上的电子和供电系统。但这和地球末日是两回事。
  
  “空前地震和超级海啸”
  洛杉矶地面像白纸一样被撕裂、黄石国家公园成为超级火山口、加利福尼亚沉入大海、梵蒂冈教堂与巴西基督山倒塌……影片中这一连串惊心动魄灾难场面的“背后黑手”就是地质板块的激烈碰撞和移动。科学家通常把地壳划分为六大板块,板块之间相互挤压或者分离,往往会在分界线附近造成火山或地震等地质灾害。从这点上看,《2012》中挑选被毁于火山地震的地方并非完全没有科学依据。不过影片中主角乘坐的运输机本应迫降在中国沿海,结果因为板块漂移,最后竟然到了青藏高原,“几天内板块移动了足有1000多公里”,这就完全属于艺术的夸大和虚构了。因为通常地壳板块的运动速度非常缓慢,每年漂移距离不过只有几到十几厘米。
  当空前规模的地震在海底爆发时,超级海啸随之诞生。影片中这场海啸高达1500米,不仅吞没了印度大陆,而且几乎盖过了喜马拉雅山。尽管人类历史上曾多次遭遇过大规模海啸,但这些海啸的高度通常不过几十米。例如2004年的印尼大海啸造成30万人伤亡,但它的浪高为10多米。不过地球上可能爆发过更大规模的海啸。美国科学家在研究恐龙灭绝的原因时,通过对6500万年前撞击墨西哥湾小行星的场景推断,当时可能形成高达5000米高的海啸,它从南美出发席卷全球,甚至将远在非洲的马达加斯加岛夷为废墟。但像这样规模的小行星撞击事件,平均一亿年才发生一次。如果真有这样大的小行星来袭,近30年来不断搜索的天文学家应早已发现。
  在对《2012》剧情的热烈讨论中,几乎各国网友都注意到,影片中最大的一个漏洞是将逃生方舟建造地选在青藏高原。尽管这里的地势最高,在抵御超级海啸时有先天优势,但青藏高原恰是地球最年轻的高原,地质结构非常不稳定。俄罗斯网友戏称,如果真的发生地质性大灾难,最不安全的地方恐怕就是这里。
  
  “南北磁极倒转”
  《2012》中另一个场景可能也让很多人印象深刻:一名美国政府官员指着电脑的地图问,“现在威斯康星州是地球的北极?”回答是,“不,实际上是南极,因为南北磁极互换了。”影片设计的这个场景同样有着学术背景。
  根据对历史上各地质时期岩石磁化方面的研究,科学家发现地球曾经多次发生磁极倒转现象。不过,美国宇航局专门驳斥《2012》中短期内发生磁极倒转的可能性,因为“这样的磁场

作者: vanisacarlton    时间: 2010-10-17 05:06

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作者: JK22    时间: 2010-11-3 21:04

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THX
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