Pricing of illiquid debentures using supervised and unsupervised machine learning techniques

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Marcela Sousa Zuppini
Afonso de Campos Pinto
Élia Yathie Matsumoto

Abstract


Marking illiquid assets to market is challenging due to the scarcity of information that could indicate their fair price. In the case of illiquid debentures, one of the hindrances to figuring out the proper spread for these kinds of assets is the lack of values from prior trading. This paper proposes to assess the spread of illiquid debentures based on their characteristics, information on the issuers' financial health, and market conditions. The presented method uses unsupervised and supervised learning techniques, combining their respective characteristics to solve the illiquid debentures pricing problem, with applications extending to other types of illiquid assets. In experiments, the proposed methodology proved effective for pricing illiquid debentures with no previous spread value.

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Long Paper