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Exact solutions for optimal execution of portfolios transactions and the Riccati equation

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  • Juan M. Romero
  • Jorge Bautista

Abstract

We propose two methods to obtain exact solutions for the Almgren-Chriss model about optimal execution of portfolio transactions. In the first method we rewrite the Almgren-Chriss equation and find two exact solutions. In the second method, employing a general reparametrized time, we show that the Almgren-Chriss equation can be reduced to some known equations which can be exactly solved in different cases.For this last case we obtain a quantity conserved. In addition, we show that in both methods the Almgren-Chriss equation is equivalent to a Riccati equation.

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  • Juan M. Romero & Jorge Bautista, 2016. "Exact solutions for optimal execution of portfolios transactions and the Riccati equation," Papers 1601.07961, arXiv.org.
    • Handle: RePEc:arx:papers:1601.07961
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