11
Jun
April 2020 |
News sentiment can enhance alpha strategies, along with augmenting risk management models for downside protection during periods of crisis. Following a statistical approach, whereby we evaluate thousands of long-short random portfolios as a benchmark, we consider three significant drawdown periods: the Global Financial Crisis, the Chinese market selloff of 2015-16, and the 2020 Coronavirus crisis. We find supporting evidence that:
• Sentiment-based strategies consistently outperform random portfolio strategies during the three crisis periods, showing strong statistical significance.
• A...