NO.PZ201712110200000507
问题如下：
Based on the three economic outlook statements, a profitable long/short trade would be to:
选项：
A.sell protection using a Canadian CDX IG and buy protection using a US CDX IG.
B.buy protection using an iTraxx Crossover and sell protection using an iTraxx Main.
C.buy protection using an electric car CDS and sell protection using a traditional car CDS.
解释：
B is correct.
Based on Outlook 1, Chan and Smith anticipate that Europe’s economy will weaken. In order to profit from this forecast, one would buy protection using a high-yield CDS index (e.g., iTraxx Crossover) and sell protection using an investment-grade CDS index (e.g., iTraxx Main).
iTraxx Crossover iTraxx Main在题目中哪里提到了好债券还是差债券
