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🌻🎀LINDA🎀🌻 · 2024年01月02日

为什么更diversify了反而提升correlation

Choate does not limit his investments strictly to domestic issuers. He prefers to traverse the global waters for opportunities. His rationale is fairly straightforward: “The credit market is global in nature. We evaluate opportunities across regions and countries, which include emerging markets. We are especially keen on emerging market credits, which can provide excess returns that outperform the domestic and global developed market indexes. Because the emerging market credits are not included in the performance benchmark, we limit the maximum exposure to this asset class and buy them in either USD or the local currency depending on the total expected return of the transaction.”

Choate’s final comments to Hale detail how he also looks for structured financial instruments that offer diversification benefits and attractive expected returns. These are listed in Exhibit 1, which shows recent COF portfolio positioning relative to the benchmark and reflects various opportunities Choate has uncovered across several markets.



不明白

1 个答案

pzqa31 · 2024年01月02日

嗨,从没放弃的小努力你好:


default correlation是CDO不同层级之间的违约相关系数,default correlation越大,意味着CDO的优先、夹层、劣后都有可能违约或者都有可能不违约。default correlation越小,意味着CDO的越劣后,违约的可能性越大,越优先,违约的可能性越小。

所以,预期default correlation上升,应该buy更劣后级别的份额,sell更优先级别的份额,

原因是:如果优先于劣后都违约了,但劣后肯定卖的便宜,所以劣后的更好;如果优先与劣后都不违约,那么买劣后有更高的收益,但并没有真正违约,也是劣后的更好。

反之,如果预期default correlation下降,应该buy更优先的份额,sell更劣后的份额。

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虽然现在很辛苦,但努力过的感觉真的很好,加油!

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