Data processing: financial – business practice – management – or co – Automated electrical financial or business practice or... – Finance
Reexamination Certificate
2011-08-16
2011-08-16
Hamilton, Lalita M (Department: 3691)
Data processing: financial, business practice, management, or co
Automated electrical financial or business practice or...
Finance
C705S035000, C705S037000, C705S038000
Reexamination Certificate
active
08001032
ABSTRACT:
Methods and systems for estimating time-varying factor exposures of either an individual financial instrument or a portfolio of such instruments, through the solution of a constrained multi-criteria dynamic optimization problem, providing an estimation error function and one or more transition error functions to be minimized over a period of time. The factor exposures relay the influence of the factors on the return of the instrument or portfolio. The estimation error function provides the estimation error at each time interval between the return of the asset collection and a sum of products of each factor exposure and its respective factor. Each transition error function provides a transition error of each factor exposure between time intervals. In one embodiment, the constraints can include a budget constraint and non-negativity bounds applying to some or all of the factor exposures. In other embodiments, the method and system can be applied to estimating any time-varying weight that is used in a model, to relay the influence of one or more independent variables on a dependent financial or economic variable, through the solution of a constrained multi-criteria dynamic problem, minimizing estimation error and transition error terms. In other embodiments, the solution of a multi-criteria dynamic problem can be used as part of a method and system to determine structural breakpoints for each factor, and also as part of a method and system for determining optimal parameters to weight the transition error functions and selecting the factors included in the model.
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A New Test of the Three-Moment Capital Asset Pricing Model Lim, Kian-Guan. Journal of Financial and Quantitative Analysis. Seattle: Jun. 1989. vol. 24, Iss. 2; p. 205 (12 pages).
Markov Michael
Mottl Vadim
Muchnik Ilya
Fay Kaplun & Marcin LLP
Hamilton Lalita M
Markov Processes International, LLC
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