Stock Market Forecasting Using Restricted Gene Expression Programming

Table 1

Parameters of five stock indexes.

Parameters	DJI	HSI	NASI	SSEI	SZSEI
Time interval	1/2/1990–12/29/2017	1/2/1991–12/29/2017	1/2/1990–12/29/2017	1/1/1996–12/29/2017	1/2/2008–12/30/2016
Train data for week-ahead prediction	4936	4666	4936	3866	1528
Test data for week-ahead prediction	2115	2000	2115	1657	655
Train data for month-ahead prediction	4918	4649	4918	3849	1511
Test data for month-ahead prediction	2108	1992	2108	1649	647