Research Article

Stock Price Change Rate Prediction by Utilizing Social Network Activities

Table 14

Sharpe ratios in the five testing data sets for the three-stock trading.

ModelsSharpAmazonSony

MKR-all-GA (proposed)0.233950.381520.23676
SVR-ts-GA−0.042030.26138−0.28590
SVR-news-GA0.156310.18533−0.19119
SVR-coms-GA0.107040.340270.00716
SVR-all-GA0.133370.21494−0.18474
SVR-ts-STS−0.11036−0.10034−1.06153
SVR-news-STS0.09233−0.69485−0.19220
SVR-coms-STS0.759300.23981−0.45355
SVR-all-STS0.47225−0.48811−0.98314
MKR-all-STS−0.25124−1.196440.08685
ANN-all-STS−0.102320.562250.14567
Buy and Hold−0.240350.414750.02929
Sell and Hold0.24035−0.41476−0.02929