“…The parentheses contain t ‐statistics based on standard errors clustered by firm and year. Columns 1, 2, 3, and 6 show the predictive power of RiskInfo
for changes in volatility is highly robust and incremental to standard controls known to explain variation in return volatility: firm size, the log book‐to‐market ratio, and the analyst‐based earnings surprise (e.g., Sridharan [
2015]). These results further suggest that the risk information in earnings announcements is not fully captured by the earnings surprise itself.…”