# APY 与 APR 计算方式

我们展示的 APR 预估值，基于市场中性策略过去 90 天的数据，以及方向性策略过去 365 天的数据。若金库是新上线的，展示的时间范围将反映自上线之日至今日这段期间。

例如，APR 的计算方式是将当前的 PPS（每股价格）与 90 天前的 PPS 进行比较。这意味着，页面上显示的 APR 反映的是该策略过去 3 个月的表现。

虽然 APR 是基于历史表现计算得出、并不构成保证，但它能够清晰地展示存款人在该时间段内获得了多少收益。APR 为未扣除费用前的毛收益率。

**`APR = 收益率 * (365 / 统计周期天数)`** \
**`统计周期天数 = 过去 90 天`**\
收益率 **`= (期末价值 - 期初价值) / 期初价值`**

对于 APY 数值，我们采用**按日复利公式**进行计算：

```
APY=(1+APR/365)*365−1
```


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