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factors. This is confirmed in the data. Strikingly, combining the information from the variance, skewness and kurtosis term … and Yaron 2004) as well as stochastic volatility or jump intensities in reduced-form affine representations of stock …-neutral variance should reveal these risk factors. Empirically, we use model-free measures and construct the ex-ante variance term …
Persistent link: https://www.econbiz.de/10010547883
This paper extends the classic factor-based asset pricing model by including network linkages in linear factor models. We assume that the network linkages are exogenously provided. This extension of the model allows a better understanding of the causes of systematic risk and shows that (i)...
Persistent link: https://www.econbiz.de/10011598385
which succeeds with high probability. -- Hedging ; superhedging ; Neyman Pearson lemma ; stochastic volatility ; value at …
Persistent link: https://www.econbiz.de/10009574876
This paper examines the interaction between short-run return reversals, momentum and idiosyncratic volatility in the … Australian market. We confirm that stocks with high idiosyncratic volatility earn low average returns over the next month. Unlike … examine whether the momentum effect is persistent in stocks with high idiosyncratic volatility. We find that stocks with high …
Persistent link: https://www.econbiz.de/10013138969
We investigate the effect of including variance derivatives as calibration and hedging instruments for pricing and … volatility jump diffusion model …
Persistent link: https://www.econbiz.de/10013113731
underlying, their exposure to volatility risk, and their time decay. Our contribution to the literature is twofold: First, we … volatility according to Heston (1993). Within this setting, the portfolio returns are explained by the market and an additional … option factor, i.e., a portfolio of standard options exposed to volatility risk. We show that (i) any option factor is …
Persistent link: https://www.econbiz.de/10012900121
We document that the variation in market liquidity is an important determinant of momentum crashes that is independent of other known explanations surfaced on this topic. This relationship is driven by the asymmetric large return sensitivity of short-leg of momentum portfolio to changes in...
Persistent link: https://www.econbiz.de/10012895183
S&P 500 Index option-based volatility indexes have untenable risk-return profiles. These volatility indexes are not … designed with consideration of important real-world risk characteristics of options and fail to represent volatility as a … cardinal characteristics of options on S&P 500 Index, central to designing viable volatility investment strategies, are …
Persistent link: https://www.econbiz.de/10012865881
momentum strategy, by the inverse of its historical volatility. However, we find that the higher Sharpe ratio and the alphas of … the volatility scaled momentum strategy, in comparison to traditional momentum strategy, depends on the length of the … investment horizon. Such that, the longer the investment horizon the better is the performance of the volatility scaled momentum …
Persistent link: https://www.econbiz.de/10012853066
Despite momentum's strong historical performance, its returns have large negative skewness and occasionally experiences …
Persistent link: https://www.econbiz.de/10013057742