Analisis perbandingan Harga Saham PT. Bank Mandiri Persero (tbk.), PT. Bank Rakyat Indonesia Persero (tbk), PT. Bank Negara Indonesia Persero (tbk) Sebelum dan Sesudah Danantara Diresmikan

Agabril Sefnando; Budi Sutiono Pratama Nugraha

doi:10.55681/sentri.v4i9.4616

Authors

Agabril Sefnando Universitas Nahdlatul Ulama Yogyakarta
Budi Sutiono Pratama Nugraha Universitas Nahdlatul Ulama Yogyakarta

DOI:

https://doi.org/10.55681/sentri.v4i9.4616

Keywords:

Danantara, Event Study, Paired-Sample T-test, State-Owned Banks, Stock Price

Abstract

This study aims to analyze the impact of the inauguration of Danantara on the share prices of three state-owned banks, namely PT Bank Mandiri (BMRI), PT Bank Rakyat Indonesia (BBRI), and PT Bank Negara Indonesia (BBNI). The method used is an event study with an observation period of ±30 days before and after February 24, 2025 as the event date. Secondary data in the form of daily stock closing prices were obtained from Yahoo Finance and analyzed using descriptive statistics, normality tests, and Paired-Sample T-tests. The results of the study show that there was a significant decrease in the share prices of the three banks after the inauguration of Danantara. BMRI experienced the largest average decrease, followed by BBRI and BBNI, with a significance value of the t-test < 0.001 in all samples. These findings indicate that the market responded negatively to the event, reflecting investor uncertainty about the direction of government policy and potential risks to the state-owned banking sector. In practical terms, these results confirm the importance of information transparency, communication strategies, and risk management by banking management in mitigating the impact of negative market perception. This research also enriches the literature of event studies in emerging markets by providing empirical evidence on the sensitivity of state-owned banking stocks to strategic public policies.

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References

Ataei, Mahdi. 2025. Stock Market Dynamics and Policy Impact in Emerging Economies. London: Routledge.

Brown, Stephen J., dan Jerold B. Warner. 1985. “Using Daily Stock Returns: The Case of Event Studies.” Journal of Financial Economics 14 (1): 3–31. https://doi.org/10.1016/0304-405X(85)90042-X.

Campbell, John Y., Andrew W. Lo, dan A. Craig MacKinlay. 1997. The Econometrics of Financial Markets. Princeton: Princeton University Press.

Fama, Eugene F. 1970. “Efficient Capital Markets: A Review of Theory and Empirical Work.” Journal of Finance 25 (2): 383–417. https://doi.org/10.2307/2325486.

Fama, Eugene F. 1969. “The Adjustment of Stock Prices to New Information.” International Economic Review 10 (1): 1–21.

Ghasemi, Asghar, dan Saleh Zahediasl. 2012. “Normality Tests for Statistical Analysis: A Guide for Non-Statisticians.” International Journal of Endocrinology and Metabolism 10 (2): 486–89. https://doi.org/10.5812/ijem.3505.

Gibbons, Jean Dickinson, dan Subhabrata Chakraborti. 2011. Nonparametric Statistical Inference. 5th ed. Boca Raton: Chapman & Hall/CRC.

Hadi, Syafri, dan Putri Dewi. 2023. Pasar Modal Indonesia: Teori dan Praktik. Jakarta: Rajawali Pers.

Handayani, Sri, Nurul Aisyah, dan Bambang Santoso. 2020. “Dampak Pengumuman Kebijakan Pemerintah terhadap Abnormal Return Saham Sektor Perbankan.” Jurnal Keuangan dan Perbankan 24 (3): 450–62.

Kothari, S. P., dan Jerold B. Warner. 2006. “Econometrics of Event Studies.” In Handbook of Corporate Finance: Empirical Corporate Finance, edited by B. Espen Eckbo, 3–36. Amsterdam: Elsevier.

Li, Wei, Qiang Zhang, dan Li Chen. 2020. “Macroeconomic Factors and Stock Market Volatility: Evidence from Emerging Markets.” Emerging Markets Finance and Trade 56 (2): 321–35.

MacKinlay, A. Craig. 1997. “Event Studies in Economics and Finance.” Journal of Economic Literature 35 (1): 13–39.

Moews, Bernd. 2023. Behavioral Finance and Market Inefficiencies. New York: Springer.

Nguyen, Thanh, dan Van Tran. 2021. “Signaling and Stock Price Reaction to Government Policy Announcements.” Journal of Asian Finance, Economics and Business 8 (2): 75–85.

Rahmawati, Fika, dan Arif Santoso. 2019. “Political Events and Stock Market Reaction: Evidence from Indonesian State-Owned Enterprises.” Gadjah Mada International Journal of Business 21 (3): 289–305.

Razali, Nornadiah M., dan Yap Bee Wah. 2011. “Power Comparisons of Shapiro-Wilk, Kolmogorov-Smirnov, Lilliefors, and Anderson-Darling Tests.” Journal of Statistical Modeling and Analytics 2 (1): 21–33.

Scalamonti, Giuseppe. 2025. Market Efficiency and Behavioral Biases in Stock Trading. Oxford: Oxford University Press.

Susanto, Budi, Arief Pradana, dan Muhammad Yusuf. 2020. “Kebijakan Fiskal dan Volatilitas Pasar Modal Indonesia.” Jurnal Ekonomi dan Kebijakan Publik 11 (1): 55–67.

Suryanto, Dwi, dan Bima Prabowo. 2022. “BUMN, Aset Negara, dan Tata Kelola: Analisis Pembentukan Entitas Investasi Nasional.” Jurnal Kebijakan Ekonomi 17 (2): 201–15.

Wijaya, Rizky, dan Adi Nurcahyo. 2021. “Monetary Policy Announcements and Stock Price Reaction: Evidence from Indonesian Banking Sector.” Jurnal Manajemen dan Bisnis 9 (1): 45–56.

Zuhroh, Idah. 2022. “Investor Overreaction terhadap Pengumuman Kebijakan Pemerintah.” Jurnal Ilmu Ekonomi dan Keuangan 14 (4): 377–89.