In 30 years of monthly investor returns, DALBAR found that equity investors underperformed the S&P
500 to the greatest extent in October, 2008. In this month, equity investors lost 24.21% compared to
an S&P loss of 16.80% for a net underperformance of 7.41 percentage points.
The next greatest underperformance occurred in March, 2000, when the S&P surged 9.78% but
investors took home only 3.72% for an underperformance of 6.06%.
The underperformance results from bad investor decisions at critical points, the first in the face of
severe market declines and the second when the equity market surged.
Underperformance in the face of maximum impact events is attributable to a lack of preparedness
and is the subject of the recently released 21st Edition of DALBAR’s Quantitative Analysis of Investor
Behavior (QAIB). The 21st Edition also reported:
2014 report
From January 2015, she started to practice leetcode questions; she trains herself to stay focus, develops "muscle" memory when she practices those questions one by one. 2015年初, Julia开始参与做Leetcode, 开通自己第一个博客. 刷Leet code的题目, 她看了很多的代码, 每个人那学一点, 也开通Github, 发表自己的代码, 尝试写自己的一些体会. She learns from her favorite sports – tennis, 10,000 serves practice builds up good memory for a great serve. Just keep going. Hard work beats talent when talent fails to work hard.
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