FRM二級考試中的信用風險敝口是重要考點之一，考生需在掌握其含義的前提上進一步理解，掌握相關題目做法。下面是關于信用風險敞口歷年真題分析，一起來看~

　　Consider two portfolios.One with USD 10 million credit exposure to a single B-rated counterparty.The second with USD 10 million on credit exposure split evenly between 100 B-rated counterparties.Assume that default probabilities and recovery rates are the same for all B-rated counterparties.Which of the following is correct?》》點擊領取2022年FRM備考資料大禮包

　　（A）The expected loss of the first portfolio is greater than the expected loss of the second portfolio and the unexpected loss of the first portfolio is greater than the unexpected loss of the second portfolio.

　　（B）The expected loss of the first portfolio is equal to the expected loss of the second portfolio and the unexpected loss of the first portfolio is greater than the unexpected loss of the second portfolio.

　　（C）The expected loss of the first portfolio is greater than the expected loss of the second portfolio and the unexpected loss of the first portfolio is equal to the unexpected loss of the second portfolio.

　　（D）The expected loss of the first portfolio is equal to the expected loss of the second portfolio and the unexpected loss of the first portfolio is equal to the unexpected loss of the second portfolio.

　　答案：B

　　解析：Unexpected loss is the volatility of the expected loss.There’s diversification effect in unexpected loss.

　　考慮兩個投資組合，一個對一個B級交易對手有1000萬美元的信用風險敞口。第二個是1000萬美元的信用風險敞口，平均分配給100個B級交易對手。假設所有B級交易對手的違約概率和回收率相同。下列哪項是正確的？

　　A.第一個投資組合的預期損失大于第二個投資組合的預期損失，第一個投資組合的意外損失大于第二個投資組合的意外損失。

　　B.第一個投資組合的預期損失等于第二個投資組合的預期損失，第一個投資組合的預期損失大于第二個投資組合的預期損失。

　　C.第一個投資組合的預期損失大于第二個投資組合的預期損失，第一個投資組合的預期損失等于第二個投資組合的預期損失。

　　D.第一個投資組合的預期損失等于第二個投資組合的預期損失，第一個投資組合的意外損失等于第二個投資組合的意外損失。

　　答案：B

　　解析：意外損失是指預期損失的波動性。非預期損失存在多元化效應。