How accurate is the CAPM approach compared to the Reward Beta for shares of manufacturing and mining companies in Indonesia's LQ45 Index?

This study evaluates the efficacy of the Capital Asset Pricing Model (CAPM) and Beta Reward Model in forecasting stock returns of companies within the manufacturing and mining sectors listed on Indonesia's LQ45 index. Utilizing monthly closing stock prices from January 2010 to December 2019, t...

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Main Author: Handri Handri
Format: Article
Language:English
Published: Master Program in Economics, Graduate Program of Universitas Jambi 2023-08-01
Series:Jurnal Perspektif Pembiayaan dan Pembangunan Daerah
Subjects:
Online Access:https://mail.online-journal.unja.ac.id/JES/article/view/28904
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author Handri Handri
author_facet Handri Handri
author_sort Handri Handri
collection DOAJ
description This study evaluates the efficacy of the Capital Asset Pricing Model (CAPM) and Beta Reward Model in forecasting stock returns of companies within the manufacturing and mining sectors listed on Indonesia's LQ45 index. Utilizing monthly closing stock prices from January 2010 to December 2019, the research focuses on ten companies—five from each sector—that consistently appeared in the index throughout the study period. The analysis involves a classic assumption test followed by regression analysis for each company. Key performance indicators, including R-squared, Root Mean Square Error (RMSE), and Mean Absolute Error (MAE), are employed to compare the predictive capabilities of the CAPM and Beta Reward Model. The findings indicate a systematic and superior performance of the Beta Reward Model over the CAPM in predicting stock returns in the Indonesian context. This study contributes to the existing literature on stock return prediction models and provides practical insights for investors and financial analysts in Indonesia.
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spelling doaj.art-27adcb01ec3c4c2c93a4dc9ad4c342842023-11-22T22:45:43ZengMaster Program in Economics, Graduate Program of Universitas JambiJurnal Perspektif Pembiayaan dan Pembangunan Daerah2338-46032355-85202023-08-0111310.22437/ppd.v11i3.28904How accurate is the CAPM approach compared to the Reward Beta for shares of manufacturing and mining companies in Indonesia's LQ45 Index?Handri Handri0Master Program in Management, Faculty of Economics and Business, Universitas Islam Bandung, Indonesia This study evaluates the efficacy of the Capital Asset Pricing Model (CAPM) and Beta Reward Model in forecasting stock returns of companies within the manufacturing and mining sectors listed on Indonesia's LQ45 index. Utilizing monthly closing stock prices from January 2010 to December 2019, the research focuses on ten companies—five from each sector—that consistently appeared in the index throughout the study period. The analysis involves a classic assumption test followed by regression analysis for each company. Key performance indicators, including R-squared, Root Mean Square Error (RMSE), and Mean Absolute Error (MAE), are employed to compare the predictive capabilities of the CAPM and Beta Reward Model. The findings indicate a systematic and superior performance of the Beta Reward Model over the CAPM in predicting stock returns in the Indonesian context. This study contributes to the existing literature on stock return prediction models and provides practical insights for investors and financial analysts in Indonesia. https://mail.online-journal.unja.ac.id/JES/article/view/28904Beta Reward ModelCapital Asset Pricing Model (CAPM)LQ45 IndexManufacturing and mining sectors
spellingShingle Handri Handri
How accurate is the CAPM approach compared to the Reward Beta for shares of manufacturing and mining companies in Indonesia's LQ45 Index?
Jurnal Perspektif Pembiayaan dan Pembangunan Daerah
Beta Reward Model
Capital Asset Pricing Model (CAPM)
LQ45 Index
Manufacturing and mining sectors
title How accurate is the CAPM approach compared to the Reward Beta for shares of manufacturing and mining companies in Indonesia's LQ45 Index?
title_full How accurate is the CAPM approach compared to the Reward Beta for shares of manufacturing and mining companies in Indonesia's LQ45 Index?
title_fullStr How accurate is the CAPM approach compared to the Reward Beta for shares of manufacturing and mining companies in Indonesia's LQ45 Index?
title_full_unstemmed How accurate is the CAPM approach compared to the Reward Beta for shares of manufacturing and mining companies in Indonesia's LQ45 Index?
title_short How accurate is the CAPM approach compared to the Reward Beta for shares of manufacturing and mining companies in Indonesia's LQ45 Index?
title_sort how accurate is the capm approach compared to the reward beta for shares of manufacturing and mining companies in indonesia s lq45 index
topic Beta Reward Model
Capital Asset Pricing Model (CAPM)
LQ45 Index
Manufacturing and mining sectors
url https://mail.online-journal.unja.ac.id/JES/article/view/28904
work_keys_str_mv AT handrihandri howaccurateisthecapmapproachcomparedtotherewardbetaforsharesofmanufacturingandminingcompaniesinindonesiaslq45index