Multilayer Stock Forecasting Model Using Fuzzy Time Series

Table 2

Different length of intervals for TAIEX and NASDAQ problems.

Year	TAIEX				NASDAQ
	𝜃	𝜃^∗	𝑙	𝑙^∗	𝜃	𝜃^∗	𝑙	𝑙^∗
1990	100	82	0.015111473	0.016389178	2	1.73	0.012644574	0.011515659
1991	70	59	0.023985040	0.019988032	2	1.66	0.009269332	0.007415466
1992	30	24	0.011033589	0.009826871	2	1.84	0.006353103	0.005482482
1993	30	25	0.014197516	0.011658013	2	1.68	0.006699332	0.006659466
1994	40	32	0.013543730	0.011834984	2	1.64	0.007258739	0.008306991
1995	30	25	0.011603234	0.009282587	3	2.60	0.007482858	0.006186286
1996	30	27	0.012010076	0.009608061	4	3.28	0.008841882	0.007873506
1997	60	54	0.012898377	0.011818702	6	5.44	0.014677997	0.012342398
1998	60	49	0.010228951	0.009183161	10	8.00	0.018233427	0.015486742
1999	50	42	0.013423875	0.013039100	20	17.44	0.012306245	0.011744996