Table 5. Predictive accuracy in developed markets.

	S&P 500 index							DJIA index
Year	Year 1	Year 2	Year 3	Year 4	Year 5	Year 6	Average	Year 1	Year 2	Year 3	Year 4	Year 5	Year 6	Average
Panel A. MAPE
WSAEs-LSTM	0.012	0.014	0.010	0.008	0.011	0.010	0.011	0.016	0.013	0.009	0.008	0.008	0.010	0.011
WLSTM	0.015	0.020	0.012	0.010	0.015	0.015	0.015	0.015	0.018	0.013	0.011	0.017	0.012	0.014
LSTM	0.021	0.018	0.013	0.012	0.017	0.022	0.017	0.019	0.026	0.016	0.020	0.020	0.022	0.020
RNN	0.017	0.019	0.013	0.019	0.020	0.019	0.018	0.038	0.040	0.029	0.024	0.038	0.026	0.033
Panel B. R
WSAEs-LSTM	0.944	0.944	0.984	0.973	0.880	0.953	0.946	0.922	0.928	0.984	0.952	0.953	0.952	0.949
WLSTM	0.917	0.886	0.971	0.957	0.772	0.860	0.894	0.915	0.871	0.963	0.911	0.817	0.927	0.901
LSTM	0.873	0.905	0.968	0.953	0.795	0.755	0.875	0.860	0.791	0.948	0.751	0.719	0.786	0.809
RNN	0.899	0.909	0.966	0.867	0.618	0.822	0.847	0.684	0.579	0.871	0.669	0.256	0.699	0.627
Panel C. Theil U
WSAEs-LSTM	0.009	0.010	0.006	0.005	0.008	0.006	0.007	0.010	0.009	0.006	0.005	0.005	0.006	0.007
WLSTM	0.011	0.014	0.008	0.007	0.011	0.011	0.010	0.010	0.012	0.008	0.007	0.011	0.008	0.009
LSTM	0.014	0.012	0.009	0.007	0.011	0.016	0.011	0.013	0.016	0.010	0.014	0.013	0.014	0.013
RNN	0.012	0.012	0.009	0.012	0.013	0.012	0.012	0.025	0.025	0.019	0.016	0.025	0.017	0.021