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Dichaleeee · 2024年01月18日

CB Arbitrage

NO.PZ2022062601000025

问题如下:

Investor John evaluated the U-fund, which is a convertible bond strategy. In order to gain a more accurate understanding of fund investment styles, John studied various trading examples used by U fund managers to generate alpha. Exhibit 1 provides data on recent transactions in which managers have been involved.

Exhibit 1

U-Fund Convertible Bond Arbitrage Position

Based on the data in Exhibit 1, what strategy is the most likely to be implemented by the portfolio manager of Fund U?

选项:

A.

Taking advantage of option mispricing

B.

Profiting from extreme market volatility

C.

Going long a put on the equity net of hedging

解释:

A is correct. In order to obtain and extract relatively cheap embedded options in convertible securities, the manager hedged other risks embedded in convertible securities. These risks include interest rate risk, credit risk, and market risk. These risks can be hedged through a combination of interest rate derivatives, credit default swaps, and short selling the appropriate Delta adjusted amount of the underlying stock, or by purchasing put options.

B is incorrect because convertible arbitrage strategies perform best in moderate volatility. Heightened volatility would suggest a period of illiquidity and widening credit spreads.

C is incorrect because purchasing convertible bonds and Delta hedging positions do not equate to long put positions.

知识点考察:Convertible Bond Arbitrage


首先看到表格中红框的这几项,联想到Convertible Bond Arbitragelong CB short stock,同时使用杠杆。然后表格中剩下的没有红框的内容是是针对convertible arbitrage strategy中的convertible securityinterest rate risk, credit risk of the corporate issuer, and market risk进行对冲,相应的对冲工具也是表格中的内容interest rate derivatives, credit default swaps, and short sales of an appropriate delta-adjusted amount of the underlying stock or, alternatively, the purchase of put options

所以判断是Convertible Bond Arbitrage。然后这个策略实际就是利用Convertible Bond由于新发行时交易量小,债券的复杂性导致其内嵌的option波动低,因此其交易价格低于其自身价值,也就是被低估,所以做多Convertible Bond。这正是选项ATaking advantage of option mispricing。所以选择A



请问为什么不能选C?


是不是因为C中提到了“net of hedging”,等于是neutralized后再long 一个put on equity? 假若它不提net of hedging, 而是该策略可以使用long put而不是short stock来hedge,是不是就可以选了呢?



2 个答案

伯恩_品职助教 · 2024年05月27日

嗨,从没放弃的小努力你好:


你这个回答真的答非所问,能不能重新好好回答一下下,谢谢——同学你好,我确实是没看懂你的问题,我之前的回答的是你提第一个问题,因为我感觉你是不是没理解hedge的意思。既然你这么问,我估计你对hedge是理解的。

是不是因为C中提到了“net of hedging”,等于是neutralized后再long 一个put on equity?——或者我换个方式来回答吧,如果neutralized后再long一个put不就不能neutral了吗?所以我不明白你这句话的意思。

假若它不提net of hedging, 而是该策略可以使用long put而不是short stock来hedge,是不是就可以选了呢?——然后呢,这个是long put还是short stock都无关啊!net of hedging是Convertible Bond Arbitrage的特征之一啊,正如我写的解析一样,所有的条件都是反应的是Convertible Bond Arbitrage。而C选项只反映了这个图的一个特点,那其它5个的条件就对应不上C选项啊!

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伯恩_品职助教 · 2024年01月19日

嗨,从没放弃的小努力你好:


不好意思同学,我没看懂,hedge,就是持有一个资产,然后通过另一个资产来对冲原持有的资产的风险。带入例子,就是持有股票,买入put或者short stock来hedge。问题是这个题是short stock和long put,那hedge的对象呢?没有的,所以C不对

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hyi725 · 2024年05月26日

你这个回答真的答非所问,能不能重新好好回答一下下,谢谢

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