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Alpha | 阿尔法
@alpha101xyz
AI Stocks | Semis | Macro Hedge Fund Analyst & Data Scientist Turning FOMO into rules: momentum, crowding, risk
Joined April 2022
536
Following
15.9K
Followers
Alpha | 阿尔法
@alpha101xyz
2026.07.29 15:01
为什么炒美股研究基本面有用? 图里是标普500 预期每股净收益与整体回报的曲线 美股大盘围绕公司盈利水平做回归运动 过去20年价格和EPS的相关性系数高达0.92! 所以你只要不上杠杆,它的长期可预测性是几乎确定的 那A股呢?我查了一下:只有0.41;从统计学角度看,用R的平方计算得到0.168,也就是说大A的涨跌幅只有16.8%可以被企业的业务表现解释...也就说炒大A不要研究什么基本面,当成meme纯玩情绪就好
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