Research Article

Predicting Stock Market Volatility from Candlestick Charts: A Multiple Attention Mechanism Graph Neural Network Approach

Table 4

Accuracy of the four categories of the algorithm presented.

StocksCNN1CNN2RNNLSTMSVMCNN-LSTMOur method
≥5%<5%≥5%<5%≥5%<5%≥5%<5%≥5%<5%≥5%<5%≥5%<5%

Finance28.12 ± 0.2343.65 ± 0.6331.51 ± 0.3346.73 ± 0.8233.85 ± 0.3755.13 ± 0.8331.65 ± 0.2855.19 ± 0.9528.83 ± 0.1944.72 ± 0.5335.36±0.7346.65±0.9335.76 ±0.6363.53 ±0.23
Public sector17.26 ± 0.1641.56 ± 0.7826.43 ± 0.8753.34 ± 0.1117.12 ± 0.8963.34±0.3722.56 ± 02354.34 ± 0.2320.76 ± 0.7251.32 ± 0.4332.56 ± 0.7853.21 ± 0.8030.54±0.3767.14 ±0.21
Real estate18.87 ± 0.8741.87 ± 0.9623.45 ± 0.3447.21 ± 0.3420.89 ± 0.8347.65 ± 0.2616.34 ± 0.6152.12±0.2823.78 ± 0.7340.14 ± 0.4627.34 ± 0.6347.19 ± 0.7621.16±0.6558.67 ±0.23
Composite31.56 ± 1.3843.78 ± 0.3421.23 ± 0.8737.34 ± 0.1535.31 ± 0.7654.18±0.5636.78±0.7148.45 ± 0.3622.12 ± 0.8747.27 ± 0.5221.31 ± 0.5437.54 ± 0.5636.52 ±0.4166.54 ±0.27
Industrial25.71 ± 0.8447.56 ± 1.1623.87 ± 1.1451.34 ± 0.2626.15 ± 0.8663.45±0.4760.75±0.6562.45 ± 0.4123.41 ± 0.6551.71 ± 0.3723.69 ± 0.7451.26 ± 0.2381.67 ±0.3065.17 ±0.31
Commercial19.15 ± 1.2151.34 ± 0.6316.98 ± 0.7143.45 ± 0.2571.52 ± 0.5659.64±0.5257.91 ± 0.4351.56 ± 0.1717.81 ± 0.5448.23 ± 0.8717.12 ± 0.6443.24 ± 0.4581.56 ±0.3463.41 ±0.27
Ping An Bank40.62 ± 0.3436.34 ± 0.9526.78 ± 0.4642.12 ± 0.4520.56 ± 0.9440.12 ± 0.6160.43±0.7336.89 ± 0.5640.34 ± 0.6139.56 ± 0.6727.35 ± 1.5342.13±0.3079.12 ±0.2853.41 ±0.15
COSCO Sea Control32.45 ± 0.8144.34 ± 0.7637.34 ± 0.5640.34 ± 0.1650.41 ± 0.9546.45 ± 0.6936.87 ± 0.5652.16±0.8123.19 ± 0.7340.34 ± 0.3436.73 ± 0.7440.18 ± 0.5659.67 ±0.6566.34 ±0.19
Vanke A32.56 ± 1.2350.34 ± 0.2828.56 ± 0.6738.34 ± 0.4550.45 ± 1.1348.19 ± 0.7317.73 ± 0.6955.19±0.8532.56 ± 0.6554.32 ± 0.4526.54 ± 0.8138.40 ± 0.5665.89 ±0.4357.34 ±0.13
Makara32.18 ± 0.7544.23 ± 0.6946.89 ± 0.9146.34 ± 0.7147.14 ± 0.9642.21 ± 0.7458.65±0.7850.64±0.9142.57 ± 0.7146.17 ± 0.3243.27 ± 0.5446.84 ± 0.2362.87 ±0.4361.56 ±0.31
China Nuclear Power48.33±0.3945.78 ± 0.5631.67 ± 0.3152.45 ± 0.1536.67% ± 0.3352.43 ± 1.5651.67 ± 0.3348.54 ± 0.6225.00 ± 0.3535.67 ± 0.5650.00 ± 0.3640.43 ± 0.6466.67 ±0.3465.56 ±0.27
Yong Hui38.75 ± 0.7643.62 ± 0.7123.89 ± 0.8441.23 ± 0.5325.23% ± 1.1250.29 ± 0.9613.45 ± 0.6254.51±0.5450.56±0.9146.18 ± 0.5423.35 ± 1.3442.16 ± 0.4575.42 ±0.3158.34 ±0.56

Each reported result is the average performance on ten training process, followed by their standard deviation. The best result (in bold) is further marked with , if it is significantly different from the runner-up (underlined) under the two-tail paired t-test at the 0.01 level.