道瓊與大盤的比較(相關分析) - 股票
By Joseph
at 2015-01-25T21:58
at 2015-01-25T21:58
Table of Contents
http://ppt.cc/PdhI
剛隨手跑了一下近1000筆資料的相關
發現一個有趣的現象
滿有趣的現象
若是從整個趨勢來說 台美股的相關滿高的0.63
這在統計學來說已經算是中大的效果量了
其實很容易發現,你把台美股的月k線圖 打開來看 上升走勢是滿類似的
很多時候 台美股的 底部 與 頭部的時機類似
但是!
你若是去跑 每日漲跌幅的相關
這相關真的小到接近0 只有0.076
代表
1 每日的漲跌幅 真的是很隨機
2 你看美股來作台股 在每日的短線上來看 幾乎 沒有意義
但從趨勢來看 是有很明確的相關性。
--
剛隨手跑了一下近1000筆資料的相關
發現一個有趣的現象
滿有趣的現象
若是從整個趨勢來說 台美股的相關滿高的0.63
這在統計學來說已經算是中大的效果量了
其實很容易發現,你把台美股的月k線圖 打開來看 上升走勢是滿類似的
很多時候 台美股的 底部 與 頭部的時機類似
但是!
你若是去跑 每日漲跌幅的相關
這相關真的小到接近0 只有0.076
代表
1 每日的漲跌幅 真的是很隨機
2 你看美股來作台股 在每日的短線上來看 幾乎 沒有意義
但從趨勢來看 是有很明確的相關性。
--
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