This study aims to determine the effect of changes in crude oil prices, gold prices, and exchange rates on the volatility of the Composite Stock Price Index (JCI) during the Covid-19 pandemic. Using quantitative methods with descriptive research typeswith composite stock price index (CSPI) data, crude oil price data (WTI), gold price data (London Gold) and data on the Rupiah exchange rate against the Dollar during the Covid-19 pandemic starting from 02 March 2020 to 25 March 2021 taken from Datastream at Eikon Faculty of Economics, Andalas University, Padang and obtained 275 samples. The results of the study using the Arch/Garch method found that there was no significant effect between the price of Crude Oil on the JCI, while for the price of Gold there was a significant positive effect on the JCI and for the exchange rate there was no significant effect on the JCI. The results of the ARIMA forecasting method until March 25, 2022 found that the JCI tends to increase, as seen from the second quarter of 2021 (beginning of forecasting) to the first quarter of 2022, the JCI continues to move up. Crude Oil Prices have decreased until the first quarter of March 2022, Gold prices tend to be stable with not too many significant changes. Meanwhile, the Rupiah Exchange Rate against the US Dollar experienced an appreciation, moving up until the end of the forecast in the first quarter of 2022.
 Ady, Sri Utami, et al., 2010. Analysis of Variables Affecting Stock Price Spreads in the Manufacturing Industry on the Jakarta Stock Exchange. Discourse, Vol. 13 No.2 Pg. 227-243
 Aliaga, M., & Gunderson, B. (2002) Interactive Statistics. Thousand Oaks: Sage Publications
 Anant, KS and Dowla, FU, 1997, Wavelet Transform Methods for Phase Identification in Three-Component Seismograms, Bulletin of the Seismological Society of America, Vol. 87, No. 6, pages 1598 – 1612
 Andersen, Toben G. et al. 2005. “Volatility Forecasting”. Working Papers. Frankurt: Center for Financial Studies, Goethe University.
 Anoraga, Pandji, and Pakarti Piji. 2001. Introduction to the Capital Market. Revised Edition. PT Asdi Mahasatya. Jakarta.
 Arbar, TF (2020, August 31). 42 Countries whose economies are devastated by COVID-19, the recession is real! Retrieved fromhttps://www.cnbcindonesia.com/news/20200831070523-4-183144/42-negara-ekonomi-dihancurkan-covid-19-resesi-itu-nyata
 Arfaoui, M., & Ben Rejeb, A. (2017). Oil, gold, US dollar and stock market interdependencies: a global analytical insight. European Journal of Management and Business Economics, 26(3), 278–293.
 Bai, S., & Koong, KS (2018). North American Journal of Economics and Finance Oil prices , stock returns , and exchange rates : Empirical evidence from China and the United States. North American Journal of Economics and Finance, 44(November 2017), 12–33. https://doi.org/10.1016/j.najef.2017.10.013
 Bandele, SO (2004). Educational Researching Perspectives. Ibadan: Niyi Communication and Printing Ventures.
 Baur, Dirk G. and Thomas K. McDermott. (2009). Is Gold a Safe Haven? International Evidence. Journal of Banking & Finance, 34(8), 1886-1898
 Bedoui, R., Guesmi, K., Kalai, S., Porcher, T., 2019a. Diamonds versus precious metals: What shines the most against the USD exchange rate?
 Bedoui, R., Braeik, S., Guesmi, K., Chevallier, J., 2019b. On the conditional dependencies between oil, gold and FX: the GJR-GARCH model. Energyecon. 80, 876–889.
 Bernard, HR (2002). Research methods in anthropology: Qualitative and quantitative approaches (3rd ed.). Walnut Creek, CA: Alta Mira Press
 Chen, J., Leung, WS, & Goergen, M. (2017). The impact of board gender composition on dividend payouts. Journal of Corporate Finance, 43, 86-105. doi:10.1016/j.jcorpfin.2017.01.001
 Chkir, I., Guesmi, K., Brayek, A. Ben, & Naoui, K. (2020). Modeling the nonlinear relationship between oil prices, stock markets, and exchange rates in oil-exporting and oil-importing countries. Research in International Business and Finance, 54(January), 101274.
 Delgado, NAB, Delgado, EB, Saucedo, E., 2018. The relationship between oil prices, stock markets and exchange rates: evidence from Mexico. North Am. J. econ. Finance. 45, 266–275
 Dermawan, Sjahrial. (2009). Financial management. Third Edition. Jakarta: Mitra Wacana Media.
 Foster, DJ, Mosher, CC and Hassanzadeh, S., 1994, WaveletTransformMethods for Geophysical Applications, 64th Annual International Meeting, Soc.Expl. Geophys., Expanded Abstract, pages 1465 – 1468.
 Gall, MD, Gall, JP, & Borg, WR (2007). Educational Research: An Introduction (8th edition). Boston: Pearson.
 Gharib, C., Mefteh-Wali, S., & Jabeur, S. Ben. (2021). The bubble contagion effect of COVID-19 outbreak: Evidence from crude oil and gold markets. Finance Research Letters, 38(July 2020), 101703.
 Graps, A., 1995, An Introduction to Wavelets, IEEE Computational Science and Engineering, vol.2, num.2, IEEE Computer Society, Loas Alamitos – CA, USA.
 Gujarati, DN, & Dawn, CP (2012). Fundamentals of Econometrics (5th Edition, Volume 2). Jakarta: Salemba Empat
 Hartati., & Saluza, I. (2017). GARCH Application in Overcoming Volatility in Financial Data. Journal of Mathematics Vol. 7, No.2
 He, Q., Liu, J., Wang, S., & Yu, J. (2020). The impact of COVID-19 on the stock market.Economics and Political Studies , 1-14.
 Indonesia, C. (2020, March 17). Oil Prices Drop 11 Percent Due to Corona Virus. Retrieved fromhttps://www.cnnindonesia.com/ekonomi/20200317063300-85-484058/harga-oil-anjlok-11-persen-hasil-virus-corona
 Indonesia, C. (2020, September 9). The Impact of the Corona Recession Flows To Various Sectors. Retrieved fromhttps://www.cnnindonesia.com/ekonomi/20200908105412-532-543899/dampak-resesi-corona-mengalir-ke-vari-sector
 Indonesia Investments. (2021, 29). Asian Financial Crisis - Krismon - Causes & Effects | Indonesia investments. Retrieved fromhttps://www.indonesia-investments.com/id/culture/economy/krisis-keuangan-asia/item246?
 Insaidoo, M., Arthur, L., Amoako, S., & Andoh, FK (2021). Stock market performance and COVID-19 pandemic: evidence from a developing economy. Journal of Chinese Economic and Foreign Trade Studies, ahead-of-p(ahead-of-print).
 Juanda, Bambang and Junaidi. 2012. Econometrics Time Series Theory and Applications. Bogor: IPB Press.
 Cyber Media Compass. (2020, April 1). Sri Mulyani Explains the Worst Scenario of the Indonesian Economy Due to Corona. Retrieved fromhttps://money.kompas.com/read/2020/04/01/104100826/sri-mulyanipaparkan-skenario-terpasar-perekonomian-ri-hasil-corona
 Cyber Media Compass. (2020, April 5). Impact of COVID-19, Indonesian Crude Oil Prices Drop in March 2020. Retrieved fromhttps://www.kompas.com/tren/read/2020/04/05/170000865/imbas-covid-19-harga-oil-mentah-indonesia-anjlok-pada-maret-2020?page=all
 Cyber Media Compass. (2020, September 4). Indonesia on the verge of a recession, what are the impacts on society? Retrieved fromhttps://www.kompas.com/tren/read/2020/09/04/071000865/indonesia-diambang-resesi-apa-impaknya-pada-dunia-?page=all
 Kumar, P. and Foufoula-Georgiou, E., 1994, Wavelet Analysis in Geophysics: An Introduction, Wavelet in Geophysics, Academic Press Inc., USA, pages 1-43.
 Kwon, JH (2020). Tail behavior of Bitcoin, the dollar, gold and the stock market index. Journal of International Financial Markets, Institutions and Money, 67(xxxx), 1–14. https://doi.org/10.1016/j.intfin.2020.101202
 Laksana, GT (2020). Comparison of Black Scholes Option Model and GARCH Option Model at IDX Composite Using Long Strangle Strategy. Indonesian Journal of Management Vol. 20, No.3
 Lin, L., Kuang, Y., Jiang, Y., & Su, X. (2019). Assessing risk contagion among the Brent crude oil market, London gold market and stock markets: Evidence based on a new wavelet decomposition approach. North American Journal of Economics and Finance, 50(July), 101035.
 Liu, M., Ji, Q., & Fan, Y. (2013). How do oil market uncertainties interact with other markets? Empirical analysis of implied volatility index. Energy, 860-868.
 Okayzone. (2014, July 13). There is COVID-19, here's how to keep the Indonesian capital market operating. Retrieved fromhttps://idxchannel.okezone.com/read/2020/03/23/278/2187470/ada-covid-19-begini-cara-jaga-pasar-modal-ri-agar-tetap-operate
 Nachrowi, ND, & Usman, H. (2020). a popular and practical approach to econometrics for economic and financial analysis. (prayoga ayudha, Ed.). jakarta: publishing institution, faculty of economics, university of indonesia.
 Indonesian government. 2009. Law Number 42 of 2009 concerning VAT Article 4A paragraph 2. Jakarta: State Secretariat
 Polit, DF, & Hungler, BP (1999). Nursing research: principles and methods, Philadelphia: JB Lippincott Company
 Rr. Ariyani Yati Widyastuti. (2020, April 8). Influenced by Jakarta PSBB sentiment, JCI weakens to 4,626.69. Retrieved fromhttps://bisnis.tempo.co/read/1329465/terimbas-sentimen-psbb-jakarta-ihsg-melemah-ke-4-62669/full&view=ok
 Sadaq. A. 2008. Prediction Analysis of Composite Stock Price Index with ARIMA Method [TESIS]. Postgraduate UNDIP. Semarang
 Stocks, H., Jakarta, DI, & Index, I. (2018). No Title.
 Sakurai, Y., Kurosaki, T., & Kurosaki, T. (2020). Journal Pre-proof.
 Salvatore. (2008). Theory and Problems of Micro Economic Theory. In Dominick. Jakarta: Erlangga
 Saragih, HP (2020, March 12). The Indonesian Stock Exchange Was Stopped During the 2008 Crisis & 2000 Bombings. Retrieved from https://www.cnbcindonesia.com/market/20200312161824-17-144434/bursa-ri-pernah-disetop-di-krisis-2008-bom-2000
 Shabbir, A., Kousar, S., & Batool, SA (2020). Impact of gold and oil prices on the stock market in Pakistan. Journal of Economics, Finance and Administrative Science, 25(50), 279–294. https://doi.org/10.1108/JEFAS-04-2019-0053
 Sharif, A., Aloui, C., & Yarovaya, L. (2020). COVID-19 pandemic, oil prices, stock market, geopolitical risk and policy uncertainty nexus in the US economy: Fresh evidence from the wavelet-based approach. International Review of Financial Analysis, 70(April), 101496.
 Singh, NP, & Sharma, S. (2018). Phase-wise analysis of dynamic relationship among gold, crude oil, US dollar and stock market. Journal of Advances in Management Research, 15(4), 480–499.
 Singhal, S., Choudhary, S., & Biswal, PC (2019). Return and volatility linkages among International crude oil price, gold price, exchange rate and stock markets: Evidence from Mexico. Resources Policy, 60(January), 255–261.
 Investment Strategy Amid the Corona virus Pandemic. (2020, March 29). Retrieved fromhttps://finansial.bisnis.com/read/20200329/55/1219348/strategiinvestasidi-tengah-pandemi-virus-corona
 Sugiyono. (2017). Quantitative, Qualitative, and R&D Research Methods. Bandung; Alphabet
 Suharsono, Agus. 2012. "Analysis of the Volatility of the Shares of Go Public Companies with the ARCH-GARCH Method". Journal of Science and Arts. ITS. Vol. 1 No.1.
 Sukirno, S. (2012). Macroeconomics. In Introductory Theory (p. Third Edition. 21st Printing). Jakarta: PT. King Grafindo Persada
 Takyi, PO, & Bentum-Ennin, I. (2020). The impact of COVID-19 on stock market performance in Africa: A Bayesian structural time series approach. Journal of Economics and Business, (xxxx), 105968. https://doi.org/10.1016/j.jeconbus.2020.105968
 Tandelilin, E. 2001. Investment Analysis and Portfolio Management, First Edition. BPFE Yogyakarta
 Tang, X., & Yao, X. (2017). Do financial structures affect exchange rate and stock price interaction? Evidence from emerging markets. https://doi.org/10.1016/j.ememar.2017.10.004
 Taylor, GR (2005). Integrating quantitative and qualitative methods in research. Maryland: University Press of America Inc
 Tian, M., Li, W., & Wen, F. (2021). The dynamic impact of oil price shocks on the stock market and the USD/RMB exchange rate: Evidence from implied volatility indices. North American Journal of Economics and Finance, 55, 101310.
 Indonesian Capital Market Volatility Study Team and the World Economy. 2011. “Indonesian Capital Market Volatility and the World Economy”. Study Report.
 Trabelsi, N., Gozgor, G., Tiwari, AK, & Hammoudeh, S. (2021). Effects of Price of Gold on Bombay Stock Exchange Sectoral Indices: New Evidence for Portfolio Risk Management. Research in International Business and Finance, 55(June 2020)
 New coronavirus: WHAT the COVID-19 outbreak has looked like so far. (2020, February 28). Retrieved fromhttps://www.bbc.com/indonesia/dunia-51644312
 VUCA, the New Norm of the Market in the COVID-19 Era. (nd). Retrieved fromhttps://investor.id/investory/vuca-norma-baru-pasar-era-covid19
 Wahyuliantini, Ni Made and Anak Agung Gede Suarjaya. (2015). Effect of Stock Price, Stock Trading Volume, and Stock Return Volatility on Bid-Ask Spread. Journal of Management, Business Strategy and Entrepreneurship Vol. 9, No. 2 Pg. 146-155
 The Official Website for Handling COVID-19. (nd). Latest news. Retrieved from https://covid19.go.id/p/berita/data-vaccination-covid-19-update-7-februari-2021
 Wareza, M. (2020, March 13). Stock Exchange Volatile, Really Similar to 2008 Crisis? Retrieved fromhttps://www.cnbcindonesia.com/market/20200313153912-17-144724/bursa-saham-bergejolak-bendakah-mirip-krisis-2008
 Widoatmodjo, Sawidji. 2009. Indonesian Capital Market. Jakarta: Ghalia Indonesia
 Yang, S. (2017). PT. CR. Pacific-Basin Finance Journal. https://doi.org/10.1016/j.pacfin.2017.10.004