Forecasting Brazilian Ethanol Spot Prices Using LSTM

Ethanol is one of the most used fuels in Brazil, which is the second-largest producer of this biofuel in the world. The uncertainty of price direction in the future increases the risk for agents operating in this market and can affect a dependent price chain, such as food and gasoline. This paper us...

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Main Authors: Gustavo Carvalho Santos, Flavio Barboza, Antônio Cláudio Paschoarelli Veiga, Mateus Ferreira Silva
Format: Article
Language:English
Published: MDPI AG 2021-11-01
Series:Energies
Subjects:
Online Access:https://www.mdpi.com/1996-1073/14/23/7987
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author Gustavo Carvalho Santos
Flavio Barboza
Antônio Cláudio Paschoarelli Veiga
Mateus Ferreira Silva
author_facet Gustavo Carvalho Santos
Flavio Barboza
Antônio Cláudio Paschoarelli Veiga
Mateus Ferreira Silva
author_sort Gustavo Carvalho Santos
collection DOAJ
description Ethanol is one of the most used fuels in Brazil, which is the second-largest producer of this biofuel in the world. The uncertainty of price direction in the future increases the risk for agents operating in this market and can affect a dependent price chain, such as food and gasoline. This paper uses the architecture of recurrent neural networks—Long short-term memory (LSTM)—to predict Brazilian ethanol spot prices for three horizon-times (12, 6 and 3 months ahead). The proposed model is compared to three benchmark algorithms: Random Forest, SVM Linear and RBF. We evaluate statistical measures such as MSE (Mean Squared Error), MAPE (Mean Absolute Percentage Error), and accuracy to assess the algorithm robustness. Our findings suggest LSTM outperforms the other techniques in regression, considering both MSE and MAPE but SVM Linear is better to identify price trends. Concerning predictions per se, all errors increase during the pandemic period, reinforcing the challenge to identify patterns in crisis scenarios.
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spelling doaj.art-a4c6057b8bb2459db3235f0adb06c8d22023-11-23T02:20:56ZengMDPI AGEnergies1996-10732021-11-011423798710.3390/en14237987Forecasting Brazilian Ethanol Spot Prices Using LSTMGustavo Carvalho Santos0Flavio Barboza1Antônio Cláudio Paschoarelli Veiga2Mateus Ferreira Silva3Electrical Engineering School, Federal University of Uberlândia, Uberlândia 38408-100, BrazilSchool of Business and Management, Federal University of Uberlândia, Uberlândia 38408-100, BrazilElectrical Engineering School, Federal University of Uberlândia, Uberlândia 38408-100, BrazilSchool of Accounting, Federal University of Uberlândia, Uberlândia 38408-100, BrazilEthanol is one of the most used fuels in Brazil, which is the second-largest producer of this biofuel in the world. The uncertainty of price direction in the future increases the risk for agents operating in this market and can affect a dependent price chain, such as food and gasoline. This paper uses the architecture of recurrent neural networks—Long short-term memory (LSTM)—to predict Brazilian ethanol spot prices for three horizon-times (12, 6 and 3 months ahead). The proposed model is compared to three benchmark algorithms: Random Forest, SVM Linear and RBF. We evaluate statistical measures such as MSE (Mean Squared Error), MAPE (Mean Absolute Percentage Error), and accuracy to assess the algorithm robustness. Our findings suggest LSTM outperforms the other techniques in regression, considering both MSE and MAPE but SVM Linear is better to identify price trends. Concerning predictions per se, all errors increase during the pandemic period, reinforcing the challenge to identify patterns in crisis scenarios.https://www.mdpi.com/1996-1073/14/23/7987price predictiontrend predictionLSTMSVMRandom ForestMAPE
spellingShingle Gustavo Carvalho Santos
Flavio Barboza
Antônio Cláudio Paschoarelli Veiga
Mateus Ferreira Silva
Forecasting Brazilian Ethanol Spot Prices Using LSTM
Energies
price prediction
trend prediction
LSTM
SVM
Random Forest
MAPE
title Forecasting Brazilian Ethanol Spot Prices Using LSTM
title_full Forecasting Brazilian Ethanol Spot Prices Using LSTM
title_fullStr Forecasting Brazilian Ethanol Spot Prices Using LSTM
title_full_unstemmed Forecasting Brazilian Ethanol Spot Prices Using LSTM
title_short Forecasting Brazilian Ethanol Spot Prices Using LSTM
title_sort forecasting brazilian ethanol spot prices using lstm
topic price prediction
trend prediction
LSTM
SVM
Random Forest
MAPE
url https://www.mdpi.com/1996-1073/14/23/7987
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