Portfolio Optimization Model for Gold and Bitcoin Based on Weighted Unidirectional Dual-Layer LSTM Model and SMA-Slope Strategy

Table 1

The ratio positive/negative slopes for gold/Bitcoin for k consecutive days.

k	Gold (1826 days)									Bitcoin (1826 days)
	2	3	4	5	6	7	8	9	10	2	3	4	5	6	7	8	9	10
Positive (%)	38	32	28	26	24	22	21	20	19	42	36	32	30	27	25	24	23	23
Negative (%)	34	27	24	21	19	18	16	15	14	31	25	21	19	16	15	13	12	11