1. 

   lynxlea

   用IB接口的话？无限么？

    

   lynxlea, Mar 3, 2012

   #1
2. 

   liuzhao

   好像取不了多久的。。

    

   liuzhao, Jun 23, 2012

   #2
3. 

   avxoox

   看数据源，一般的就一年日线

    

   avxoox, Jul 8, 2012

   #3

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