Evolutionary Framework with Bidirectional Long Short-Term Memory Network for Stock Price Prediction

Table 2

Data period of stock market indexes.

Index	Date
Shanghai Securities Composite Index	From Jan 2, 2001, to Jan 23, 2020
A-Share Index	From Jan 2, 2001, to Jan 23, 2020
Standard & Poor’s 500 index	From Sep 8, 2000, to Sep 6, 2019