How to evaluate the accuracy of stock analysts' prediction?

In the previous article, we talked about how to obtain the rating data of securities analysts from sina finance ,

Next, we can analyze which stocks are more reliable pushed by analysts and which stocks are more straddling recommended by analysts ？（ notes ： Later, there was a ranking of analysts' yield , If an analyst of the same name sees , Purely coincidental , Not for anyone .）

Calculating dimensions ： After the analyst report is released , Computation first 3,5,7,10 Average yield per day , Then rank the analysts according to the average yield and the frequency of publishing reports .

 

 

Finally according to the 10 The daily average yield is ranked as follows ：

front 10 name

after 10 name

 

If a single prediction is accidental , Then we can rank and filter according to the prediction times as follows ：

front 10 name ：

after 10 name ：