Research Article

Investor Sentiment Combined with Multisource Information to Predict Stock Prices: An Analysis of China’s A-Share Market

Table 1

Discrete assignment of base ratings and rating changes.

VariableAssignmentVariableAssignment

Base ratingStrong buy1.9Rating ChangeUp1.2
Buy1.8
Long-term buy1.7
Overweight1.6First1.1
Buy with caution1.5
Highly recommended1.4
Recommend1.3Maintenance1.0
Cautious overweight1.2
Hold1.1
Neutral1.0
Recommended with caution0.9Down0.9
Wait and see0.8
Underweight0.7
Sell0.6