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Application of stochastic optimal control to financial market debt crises
Stein, Jerome L. - 2009
This interdisciplinary paper explains how mathematical techniques of stochastic optimal control can be applied to the recent subprime mortgage crisis. Why did the financial markets fail to anticipate the recent debt crisis, despite the large literature in mathematical finance concerning optimal...
Persistent link: https://www.econbiz.de/10003807893
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Application of stochastic optimal control to financial market debt crises
Stein, Jerome L. - 2009
This interdisciplinary paper explains how mathematical techniques of stochastic optimal control can be applied to the recent subprime mortgage crisis. Why did the financial markets fail to anticipate the recent debt crisis, despite the large literature in mathematical finance concerning optimal...
Persistent link: https://www.econbiz.de/10010276757
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Does smooth ambiguity matter for asset pricing?
Gallant, A. Ronald; Jahan-Parvar, Mohammad R.; Liu, Hening - 2018
-varying volatility are preferred to the long-run risk model. We analyze asset pricing implications of the estimated models …
Persistent link: https://www.econbiz.de/10011780610
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More Informative Disclosures, Less Informative Prices? Portfolio and Price Formation Around Quarter-Ends
Gormley, Todd A. - 2020
Fund trades and prices vary systematically with the quarterly reporting cycle. Funds are more likely to complete the building of a position at quarter-end, which is when most funds report positions to investors, and begin building new positions afterwards. While some of the observed shift in...
Persistent link: https://www.econbiz.de/10012853490
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Price impact and portfolio impact
Cvitanić, Jakša; Malamud, Semyon - 2010
We study survival, price impact and portfolio impact in heterogeneous economies. We show that, under the equilibrium risk-neutral measure, long-run price impact is in fact equivalent to survival, whereas longrun portfolio impact is equivalent to survival under an agent-specific, wealth-forward...
Persistent link: https://www.econbiz.de/10003979998
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Option-implied information and predictability of extreme returns
Vilkovz, Grigory; Xiaox, Yan - 2013 - This version: January 28, 2013
We study whether prices of traded options contain information about future extreme market events. Our option-implied conditional expectation of market loss due to tail events, or tail loss measure, predicts future market returns, magnitude, and probability of the market crashes, beyond and above...
Persistent link: https://www.econbiz.de/10010226098
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Diffusing Explosive Portfolio Performance Evaluation of High Frequency Traders
Charles-Cadogan, G. - 2018
Several analysts report explosive annualized Sharpe Ratios (ASRs) for investment portfolio performance evaluation of high frequency traders (HFTers) ranging from 4.3 to 5,000. This suggests that the profitability of HFT is much higher than that of other actively managed portfolios. In highly...
Persistent link: https://www.econbiz.de/10012937216
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Challenges of Indexation in S&P 500 Index Volatility Investment Strategies
Sundberg, Margaret - 2019
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
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Ambiguous Information, Portfolio Inertia, and Excess Volatility
Illeditsch, Philipp K. - 2011
ambiguity leads to portfolio inertia and excess volatility. Specifically, when news is surprising, then investors may not react … volatility …
Persistent link: https://www.econbiz.de/10013133587
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Large dynamic covariance matrices: enhancements based on intraday data
De Nard, Gianluca; Engle, Robert F.; Ledoit, Olivier; … - 2021 - This version: June 2021
but also of dynamic correlations, is the concept of a regularized return, obtained from a volatility proxy in conjunction …
Persistent link: https://www.econbiz.de/10012584099