Table 15 Performance of the models with four Chinese stock data (with sentiment index)

Kweichou

Maotai

MAE

49.84

50.77

53.70

46.72

46.30

46.34

40.85

37.68

RMSE

59.17

59.62

62.82

57.21

55.22

59.54

49.40

43.33

MAPE

2.73

2.71

2.96

2.57

2.48

2.51

2.23

1.94

Shanghai

Airport

MAE

1.45

1.35

1.36

1.52

1.28

1.21

1.14

1.17

RMSE

1.83

1.71

1.72

1.92

1.64

1.61

1.52

1.51

MAPE

2.87

2.66

2.67

2.98

2.51

2.35

2.21

2.16

Commercial Bank

of China

MAE

1.06

1.10

1.08

0.89

0.89

0.88

0.84

0.75

RMSE

1.35

1.43

1.43

1.24

1.17

1.22

1.17

0.95

MAPE

2.71

2.80

2.74

2.22

2.27

2.20

2.11

2.06

Zhongxing

Telecom Equipment

MAE

1.90

1.82

1.45

2.06

1.41

1.86

1.37

0.98

RMSE

2.01

1.92

1.57

2.24

1.51

1.99

1.57

1.32

MAPE

7.87

7.56

6.00

8.53

5.87

7.76

5.66

1.97