问题如下：
Counterparty risks typically arise from the following scenarios, except for:
选项：
A.OTC derivatives
exchange-traded derivatives
Brokerage relationships: both broker and client
Interest rate swap
解释：
答案：B is correct
解析：Counterparty risks通常产生于OTC衍生品的交易，以及Brokerage relationships。所以本题A/C/D三个选项都有可能产生Counterparty risks。只有选项B，Exchange-trade derivatives、交易所交易的衍生品Counterparty risk几乎不存在。
之前有道题说interest rate swap没有counterparty risk，说是因为没有本金互换
但这道题又说有，为什么？
