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We report strong evidence that changes of momentum, i.e. "acceleration", defined as the first difference of successive returns, provide better performance and higher explanatory power than momentum. The corresponding Γ-factor explains the momentum-sorted portfolios entirely but not the reverse....
Persistent link: https://www.econbiz.de/10011411974
Using high-frequency data, we decompose the time-varying beta for stocks into beta for continuous systematic risk and beta for discontinuous systematic risk. Estimated discontinuous betas for S&P500 constituents between 2003 and 2011 generally exceed the corresponding continuous betas. We...
Persistent link: https://www.econbiz.de/10011506397
This paper introduces a model-free decomposition of S&P 500 forward market index returns in terms of realized and implied dispersion, downside, and tail risk using option portfolios. The decomposition lends itself by construction to learn about the different sources of risk in the market return,...
Persistent link: https://www.econbiz.de/10011507822
A non-Gaussian multivariate regime switching dynamic correlation model for fi nancial asset returns is proposed. It incorporates the multivariate generalized hyperbolic law for the conditional distribution of returns. All model parameters are estimated consistently using a new two-stage...
Persistent link: https://www.econbiz.de/10012051878
We find value premium in the Chinese stock market using a conventional buy-and-hold approach which longs the portfolio with the highest BM ratio and shorts the one with the lowest BM ratio. Based on the finding, we test a new strategy by combining the value premium effect and technical analysis....
Persistent link: https://www.econbiz.de/10012132022
Does extreme downside risk require a risk premium in the pricing of individual assets? Extreme downside risk is a conditional measure for the co-movement of individual stocks with the market, given that the state of the world is extremely bad. This measure, derived from statistical extreme value...
Persistent link: https://www.econbiz.de/10012132335
This paper explores possibilities of using rolling regression CAPM on the Zagreb Stock Exchange in portfolio and risk … and return. Furthermore, the rolling regression approach to CAPM estimation has not yet been observed on the Croatian and … rolling regression CAPM on the Croatian market. Results from the analysis are used in simulating portfolio strategies in order …
Persistent link: https://www.econbiz.de/10012012610
This study tests the impact of usage of Twitter as a microblogging service provider on shareholders' returns and abnormal returns. In accordance with this purpose, two portfolios were created based on measurement of whether firms had a Twitter account and, if so, their number of followers and...
Persistent link: https://www.econbiz.de/10012016588
This paper provides global evidence supporting the hypothesis that expected return models are enhanced by the inclusion of variables that describe the evolution of book-to-market-changes in book value, changes in price, and net share issues. This conclusion is supported using data representing...
Persistent link: https://www.econbiz.de/10012022063
This paper addresses two practical investment questions: Is investing in the diamond equity market a more feasible and liquid alternative to investing in diamonds? Additionally, is diamond equity affected by polished diamond prices? We assemble an original database of diamond mining stock prices...
Persistent link: https://www.econbiz.de/10012022114