w*********b 发帖数: 1111 | 1 Like when a company went bankrupcy, can we still get it's historical price
data? | g***l 发帖数: 18555 | | w*********b 发帖数: 1111 | 3 But those data are important for testing a system. If you only use data of
the surviving companies, there will be a positive bias, because your are safe
guarded against buying a bankrupt company.
【在 g***l 的大作中提到】 : 都DELIST了,谁还在乎啊
|
|