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      Analisis Volatilitas Return Bitcoin dan Emas Menggunakan Model GARCH Family serta Implikasinya terhadap Risiko Investasi

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      Date
      2026
      Author
      Trysaputra, Muhadzier
      Nugrahani, Endar Hasafah
      Agustiani, Nur
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      Abstract
      Penelitian ini bertujuan menganalisis volatilitas return Bitcoin dan emas serta implikasinya terhadap risiko investasi menggunakan model GARCH family dan Value at Risk. Data yang digunakan berupa harga penutupan harian Bitcoin dan emas periode 2 Juli 2018 sampai 2 Juli 2024. Analisis dilakukan melalui perhitungan log return, uji normalitas, uji stasioneritas, pemodelan ARMA, uji ARCH effect, estimasi model GARCH family, perhitungan VaR, dan backtesting Kupiec test. Hasil penelitian menunjukkan bahwa Bitcoin memiliki volatilitas lebih tinggi dibandingkan emas, dengan standar deviasi masing-masing sebesar 0.0354 dan 0.0090. Model terbaik untuk Bitcoin adalah EGARCH(1,1) Student-t, sedangkan model terbaik untuk emas adalah GJR- GARCH(1,1) Student-t. Nilai VaR 95% dan 99% Bitcoin sebesar -3.18% dan -6.72%, sedangkan emas sebesar -1.47% dan -2.51%. Hasil backtesting menunjukkan bahwa estimasi VaR kedua aset akurat pada tingkat kepercayaan 95% dan 99%. Dengan demikian, Bitcoin memiliki risiko kerugian lebih tinggi, sedangkan emas menunjukkan profil risiko yang lebih stabil.
       
      This study analyzes the volatility of Bitcoin and gold returns and its implications for investment risk using GARCH family models and Value at Risk. The data consist of daily closing prices of Bitcoin and gold from July 2, 2018 to July 2, 2024. The analysis includes log return calculation, normality test, stationarity test, ARMA modeling, ARCH effect test, GARCH family model estimation, VaR calculation, and Kupiec backtesting. The results show that Bitcoin has higher volatility than gold, with standard deviations of 0.0354 and 0.0090, respectively. The best model for Bitcoin is EGARCH(1,1) Student-t, while the best model for gold is GJR-GARCH(1,1) Student-t. The 95% and 99% VaR values for Bitcoin are -3.18% and -6.72%, while those for gold are -1.47% and -2.51%. Backtesting results indicate that the VaR estimation for both assets are accurate at the 95% and 99% confidence levels. Therefore, Bitcoin has a higher loss risk, while gold exhibits a more stable risk profile.
       
      URI
      http://repository.ipb.ac.id/handle/123456789/176440
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      Copyright © 2020 Library of IPB University
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      Contact Us | Send Feedback
      Indonesia DSpace Group 
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