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There is limited evidence of intraday predictability both in the cross-section of US stock returns (see Heston et al., 2010) and in the time-series of the aggregate stock market (see Gao et al., 2015). I find that statistical time-series predictability does not imply economic profitability,...
Persistent link: https://www.econbiz.de/10012964682
In contrast to earlier decades, since the early 2000s, the average idiosyncratic volatility of stocks has fallen back … to its pre-1990s level. Here, we examine whether decreasing volatility still helps to explain the cross … average bond returns and lag idiosyncratic volatility are positively associated. The average returns on bonds with high …
Persistent link: https://www.econbiz.de/10012921040
direct estimation of the underlying “structural” shocks and economic transmission mechanisms, including a new volatility … implications from a long-run risk model incorporating both time varying volatility and volatility uncertainty. We provide new …
Persistent link: https://www.econbiz.de/10013097882
volatility over the benchmark rational expectations case and exactly matches the standard deviation of consumption. Finally, the … model generates time varying volatility consistent with the data on quarterly equity returns …
Persistent link: https://www.econbiz.de/10013054127
The volatility specification of the Markov-switching Multifractal (MSM) model is proposed as an alternative mechanism … for realized volatility (RV). We estimate the RV-MSM model via Generalized Method of Moments and perform forecasting by … volatility models of asset returns. An intra-day data set for five major international stock market indices is used to evaluate …
Persistent link: https://www.econbiz.de/10009314521
intensively utilized the textual analysis of news and other firm-related documents in volatility prediction models. It has been … studies to date have tended to focus on linear regression methods in predicting volatility. Here, we show that non … improves the prediction accuracy of abnormal stock return volatility. The fact that the length of news articles is more …
Persistent link: https://www.econbiz.de/10011881761
This study aims at comparing Google Search Volume Indices (GSVIs—including market crash and bear market) and VIX (Investor Fear Gauge Index) in terms of explaining the S&P 500 returns. The VIX is found a more robust predictor of stock market returns than Google indices, and it does granger...
Persistent link: https://www.econbiz.de/10011886968
Aggregate implied volatility spread (IVS), defined as the cross-sectional average difference in the implied …
Persistent link: https://www.econbiz.de/10011897782
The option implied volatility spread and skew predict stock returns. These variables also reflect the expected cost of … stock returns; however, the volatility spread and skew do not once this implied fee is considered. Results are similar for a … yet in stock prices. These findings indicate that the volatility spread and skew predict returns because they proxy for …
Persistent link: https://www.econbiz.de/10012855076
Based on data until the mid 2000s, oil price changes were shown to predict international equity index returns with a negative predictive slope. Extending the sample to 2015, we document that this relationship has been reversed over the last ten years and therefore has not been stable over time....
Persistent link: https://www.econbiz.de/10012935742