Optimal Limit Order Book Trading Strategies with Stochastic Volatility in the Underlying Asset

Burcu Aydoğan (), Ömür Uğur () and Ümit Aksoy ()
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Burcu Aydoğan: Middle East Technical University
Ömür Uğur: Middle East Technical University
Ümit Aksoy: Atılım University

Computational Economics, 2023, vol. 62, issue 1, No 11, 289-324

Abstract: Abstract In quantitative finance, there have been numerous new aspects and developments related with the stochastic control and optimization problems which handle the controlled variables of performing the behavior of a dynamical system to achieve certain objectives. In this paper, we address the optimal trading strategies via price impact models using Heston stochastic volatility framework including jump processes either in price or in volatility of the price dynamics with the aim of maximizing expected return of the trader by controlling the inventories. Two types of utility functions are considered: quadratic and exponential. In both cases, the remaining inventories of the market maker are charged with a liquidation cost. In order to achieve the optimal quotes, we control the inventory risk and follow the influence of each parameter in the model to the best bid and ask prices. We show that the risk metrics including profit and loss distribution (PnL), standard deviation and Sharpe ratio play important roles for the trader to make decisions on the strategies. We apply finite differences and linear interpolation as well as extrapolation techniques to obtain a solution of the nonlinear Hamilton-Jacobi-Bellman (HJB) equation. Moreover, we consider different cases on the modeling to carry out the numerical simulations.

Keywords: Market making; High-frequency trading; Limit order book; Stochastic control; Hamilton-Jacobi-Bellman equation (search for similar items in EconPapers)
Date: 2023
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DOI: 10.1007/s10614-022-10272-4

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