Table 2.
Forecast data of closing price of KDJ index in 5 days of Yatai Group.
| Yatai | Closing price | ||||
|---|---|---|---|---|---|
| True value | 7.66 | 8.03 | 8.01 | 8.12 | 8.23 |
| BPneural network | 7.600 | 8.001 | 8.02 | 8.116 | 8.208 |
| Ant colony algorithm | 7.599 | 7.999 | 8.009 | 8.134 | 8.193 |
| Genetic algorithm | 7.588 | 7.930 | 7.999 | 8.146 | 8.200 |