Quantum Finance: a tutorial on quantum computing applied to the financial market

Askery Canabarro, Taysa M. Mendon\c{c}a, Ranieri Nery, George Moreno, Anton S. Albino, Gleydson F. de Jesus and Rafael Chaves

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Abstract: Previously only considered a frontier area of Physics, nowadays quantum computing is one of the fastest growing research field, precisely because of its technological applications in optimization problems, machine learning, information security and simulations. The goal of this article is to introduce the fundamentals of quantum computing, focusing on a promising quantum algorithm and its application to a financial market problem. More specifically, we discuss the portfolio optimization problem using the \textit{Quantum Approximate Optimization Algorithm} (QAOA). We not only describe the main concepts involved but also consider simple practical examples, involving financial assets available on the Brazilian stock exchange, with codes, both classic and quantum, freely available as a Jupyter Notebook. We also analyze in details the quality of the combinatorial portfolio optimization solutions through QAOA using SENAI/CIMATEC's ATOS QLM quantum simulator.

Date: 2022-08, Revised 2022-08
New Economics Papers: this item is included in nep-cmp
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