1918统计中等essaymedium
Look-Ahead Audit Scenario 3
题目
A research notebook chooses the top decile each day using today's close and then records the same day's close-to-close return as PnL. What is the leak?
解题计时
0:00
提交作答时记录，用于后续平均用时统计。
题目
A research notebook chooses the top decile each day using today's close and then records the same day's close-to-close return as PnL. What is the leak?
解题计时
0:00
提交作答时记录，用于后续平均用时统计。