NO.PZ201805280100000303
问题如下:
The broker suggests that Young rebalance her $5.5 million money market account and the $3.0 million tax-deferred retirement account periodically in order to maintain their targeted allocations. The broker proposes the same risk profile for the equity positions with two potential target equity allocations and rebalancing ranges for the two accounts as follows:
■ Alternative 1: 80% equities +/– 8.0% rebalancing range
■ Alternative 2: 75% equities +/– 10.7% rebalancing range
选项:
解释:
这道题我是从交易成本的角度答的,很好理解。
如果从波动率的角度,为什么波动越大,调整区间越窄,波动越小,调整区间越大?
从波动率的逻辑线解答下。