我不知道。有时候当我感觉快哭出来的时候,往往会演变成一种几乎想笑的冲动。那一定是我当时的真实感受,因为我笑了,几乎咯咯咯地笑了。
Trend-following is not such a good model. It’s simply eroded. Things change and being able to adjust is what made Mr. Simons so successful. “Statistic predictor signals erode over the next several years; it can be five years or 10 years. You have to keep coming up with new things because the market is against us. If you don’t keep getting better, you’re going to do worse.
大自然的铁律是:有得必有失 如果你想让蚂蚁来,你就在地上放糖。