T Fischer, C Krauss - European journal of operational research, 2018 - Elsevier
Long short-term memory (LSTM) networks are a state-of-the-art technique for sequence learning. They are less commonly applied to financial time series predictions, yet inherently …
We show that short interest is arguably the strongest known predictor of aggregate stock returns. It outperforms a host of popular return predictors both in and out of sample, with …
Buying is easier than shorting for many equity investors. Combining this arbitrage asymmetry with the arbitrage risk represented by idiosyncratic volatility (IVOL) explains the …
We study sources of investor disagreement using sentiment of investors from a social media investing platform, combined with information on the users' investment approaches (eg …
JL Callen, X Fang - Journal of Banking & Finance, 2015 - Elsevier
Using a large sample of US public firms, we find robust evidence that short interest is positively related to one-year ahead stock price crash risk. The evidence is consistent with …
KR Ahern, D Sosyura - The Review of Financial Studies, 2015 - academic.oup.com
The media has an incentive to publish sensational news. We study how this incentive affects the accuracy of media coverage in the context of merger rumors. Using a novel dataset, we …
Socially responsible (SR) institutions tend to focus more on the environmental, social, and governance (ESG) performance and less on quantitative signals of value. Consistent with …
Volatility is an important component of asset pricing; an increase in volatility on markets can trigger changes in the risk distribution of financial assets. In conventional financial theory …
We examine the causal effect of limits to arbitrage on 11 well‐known asset pricing anomalies using the pilot program of Regulation SHO, which relaxed short‐sale constraints …