NO.PZ2018113001000045
问题如下：
An equity portfolio is heavily allocated to XYZ stocks. The manage wants to reduce the concentrated risk without selling the stocks. Which of following strategies will most likely achieve the objective?
选项：
A. enter an equity swap: receives return on XYZ stocks and pays a
return on index.
B. enter an equity swap: receives return on XYZ stocks and pays a
return on floating-rate bond.
C. enter an equity swap: receives a return on index and pays a
return on XYZ stocks.
解释：
C is correct.
考点：equity swap
解析：
投资者希望可以降低XYZ的头寸，所以需要支付XYZ股票的收益，只有C选项符合条件。
为什么降头寸就是支付收益
