Macroeconomic variables and banking sector index performance: evidence from the Nigerian Exchange Group (NGX)
DOI:
https://doi.org/10.33003/fujafr-2026.v4i1.315.184-198Abstract
Purpose: This study investigates the effect of exchange rates, interest rates, and inflation on the Banking Sector Index of the Nigerian Exchange Group. It addresses the gap in sector-specific evidence, as aggregate market analyses often obscure how macroeconomic shocks uniquely influence banking sector performance separately.
Methodology: Using an ex post facto design, the study analyzes monthly secondary data from 2012 to 2024 obtained from the Nigerian Exchange Group and the National Bureau of Statistics. The Vector Error Correction Model (VECM) was employed to examine both short-run dynamics and long-run equilibrium relationships among the variables.
Results and conclusion: The findings confirm a significant long-run cointegrating relationship between the macroeconomic variables and the Banking Index. Exchange rate depreciation negatively affects the banking sector’s performance over the long term, while inflation exerts a strong positive long-run impact. Interest rates show no significant long-run relationship with the index. The error correction mechanism indicates a stable adjustment process, correcting approximately 13.2% of monthly disequilibrium. The study concludes that while the banking sector benefits from inflation, sustained currency depreciation poses a long-term threat.
Implication of findings: The results imply that policymakers should place more priority on exchange rate stability. For investors and analysts, the findings suggest a need to emphasize exchange rate trends and inflation over interest rates when evaluating banking sector performance.
References
Anjaneyulu, D., & Kumari, P. K. (2025). Relationship between selected sectorial indexes and selected macro-economic variables.
Alsharif, M., & Sahabuddin, M. (2024) Revisiting the interest rate, foreign exchange rate, and bank stock return nexus in Saudi Arabia: evidence from the wavelet approach. DOI: https://doi.org/10.33948/ESJ-KSU-16-1-4
Alsharif, M. (2023). Interest rate, foreign exchange and stock performance in a dual banking industry: Evidence from Saudi Arabia. Journal of Money and Business, 3(1), 60-73. DOI: https://doi.org/10.1108/JMB-10-2022-0052
Al-Naif, K. L. (2017). The relationship between interest rate and stock market index: Empirical evidence from Arabian countries. Research journal of finance and accounting, 8(4), 181-191.
Abdullahi, I. B. (2020). The effects of unstable macroeconomic indicators on stock price behavior of banking sector in the Nigerian stock market. Binus Business Review, 11(2), 71-78. DOI: https://doi.org/10.21512/bbr.v11i2.6047
Andrade, V. N., Muntaser, J. G. S., & dos Reis Prado, T. A. (2022). Influência de variáveis macroeconômicas no preço das ações do setor financeiro da b3. Revista de Economia Mackenzie, 19(1), 170-190. DOI: https://doi.org/10.5935/1808-2785/rem.v19n1p.170-190
Bamini, J., & Swarnam, S. (2024). An empirical analysis of the impact of macroeconomic variables on selected sectorial indices of the national stock exchange of India. Management, Technology, Social Innovation and Sustainable Development.
Broni, M. Y., Hosen, M., & Saiti, B. (2018). The causality between stock market and banking sector: Evidence from dual banking system. International Journal of Business and Society.
Bui, M. T., & Nguyen, Y. T. (2021). Impact of macroeconomic factors on bank stock returns in Vietnam. Data science for financial econometrics, 493-511. DOI: https://doi.org/10.1007/978-3-030-48853-6_34
Converse, N., & Jain, A. (2024). Do Banks Gain from Inflation? Evidence from Inflation Surprises. Working paper.
Central Bank of Nigeria (2023–2025). Monetary Policy Committee Communiqués, 290th,299th .
Central Bank of Nigeria. (2023). Statistical Bulletin. https://www.cbn.gov.ng/documents/Statbulletin.asp
Doho, L. R. A., Some, S. M., & Banto, J. M. (2023). Inflation and West African sectorial stock price indices: An asymmetric kernel method analysis. Emerging Markets Review, 54, 100987. DOI: https://doi.org/10.1016/j.ememar.2022.100987
Drake, P. P., & Fabozzi, F. J. (2012). Analysis of financial statements. John Wiley & Sons. DOI: https://doi.org/10.1002/9781119203513
Emenike, K. O. (2017). Analysis of sectors on Nigeria stock market: Evidence from correlation, serial correlation, and heteroscedasticity. Journal of Contemporary Economic and Business Issues, 4(2), 21-36.
Emmanuel, O. U., & Obi, J. U. (2024). Effect of exchange rate windfall on the performance of deposit money banks in Nigeria. South east political science review, 9(1).
Guha, B., Dutta, A., & Bandyopadhyay, G. (2016). Measurement of risk vs return of Indian sectoral indices. Journal of Advanced Management Science, 4(2). DOI: https://doi.org/10.12720/joams.4.2.106-111
Ikoku, A. E., & Okorie, G. (2010). The performance of Nigerian stock exchange sectorial indices: January 2009 December 2010. Bullion, 34(4), 1.
Jhingan, M.L. (2003). Macro-economic Theory. Vrinda Publications.
Jackson, E. A., Barrie, M. S., & Johnson, L. (2021). Impact of exchange rate and inflation on commercial banks ‘performance in Sierra Leone. Journal of Smart Economic Growth, 6(3), 67-95.
Jarallah, S. A., Mohsin, K., & Ahmood, W. A. (2024). An Analysis of Inflation's Impact on the Banking Sector Index in the GCC Countries. WSEAS Transactions on Business and Economics, 21, 2678-2688. DOI: https://doi.org/10.37394/23207.2024.21.219
Koskei, L. (2017). The effect of exchange rate risk on stock returns in kenya’s listed financial institutions. Research Journal of Finance and Accounting, 8(3), 1-5.
Komba, C., Sobe, P. A., & Mwakujonga, J. (2024). Effects of interest and exchange rate volatility on stock returns: Evidence from the financial sector of Tanzania. NG Journal of Social Development, 13(1). DOI: https://doi.org/10.4314/ngjsd.v13i1.16
Lu, J., Lu, J., & Lv, J. (2021). Brexit: The impact of the fluctuation of pound exchange rate on the banking performance and profitability. American Journal of Industrial and Business Management, 11(04), 364. DOI: https://doi.org/10.4236/ajibm.2021.114026
Mouna, A., & Anis, J. (2016). Market, interest rate, and exchange rate risk effects on financial stock returns during the financial crisis: AGARCH-M approach. Cogent Economics & Finance, 4(1), 1125332. DOI: https://doi.org/10.1080/23322039.2015.1125332
Nayudu, M. Y., & Reddy, B. K. (2021) Study on impact of macroeconomics factors on select sectoral indices of indian stock market.
Venkatamuni Reddy, R., Nayak, R., Nagendra, S., & Ashwith (2019). Impact of macro - Economic factors on indian stock market- A research of BSE sectoral indices. International Journal of Recent Technology and Engineering, 8(2 Special Issue 7), 597-602. DOI: https://doi.org/10.35940/ijrte.B1110.0782S719
Nwosu, O., Mairafi, S. L., Musa, A. A., & Kolo, I. (2025). Effect of macro-economic factors on financial performance of selected quoted manufacturing companies in Nigeria. Journal of Human Resources and Management Science, 7 (7) 13-42. DOI: https://doi.org/10.70382/hujhrms.v7i7.006
Mankiw, N. G. (1990). A Quick Refresher Course in Macroeconomics. DOI: https://doi.org/10.3386/w3256
Michael, C. (2024, July 22). Here are analysts’ views on bank earnings for H2. BusinessDay. Retrieved from https://businessday.ng/market-intelligence/article/here-are-analysts-views-on-bank-earnings-for-h2/
Nigerian Exchange Limited. (2023, December 29). Weekly market report for the week ended 29 December 2023 [PDF]. Nigerian Exchange. https://doclib.ngxgroup.com/market_data-site/other-market-information-site/Week Market Report/Weekly Market Report for the Week Ended 29-12-2023.pdf
Nigerian Exchange Group. (n.d.). Equities price list. Retrieved September 3, 2025, from https://ngxgroup.com/exchange/data/equities-price-list/
O’Donnell, N., Shannon, D., & Sheehan, B. (2024). The impact of monetary policy interventions on banking sector stocks: An empirical investigation of the COVID-19 crisis. Financial Innovation, 10(1), 44. DOI: https://doi.org/10.1186/s40854-023-00575-2
Ouma, W. N., & Muriu, P. (2014). The impact of macroeconomic variables on stock market returns in Kenya. International journal of business and commerce, 3(11), 1-31.
Olasehinde, O., Olaolu, E. O., Adeleke, L., & Enueshike, P. (2022). Effect of selected macroeconomic variables on share price performance in the Nigerian banking industry. Journal of Research in Business and Management, 10(10), 14-21.
Olisadebe, E. U. (1995). The role of the central bank of Nigeria: current issues In Nigeria's exchange rate policy. Economic and Financial Review, 33(4), 2.
Reabetswe, L., Mokatsanyane, D., Ferreira-Schenk, S., van Rensburg, J. J., & Sgammini, R. (2022). Analysing Interest Rate and Exchange Rate Volatility on South African Banks’ Stock Returns Considering the COVID-19 Pandemic. Acta Universitatis Danubius. OEconomica, 18(6). Retrieved from https://dj.univ-danubius.ro/index.php/AUDOE/article/view/2004Ross, S. A. (1976). The arbitrage theory of capital Asset Pricing. Journal of Economic Theory, 13(3), 341-360. DOI: https://doi.org/10.1016/0022-0531(76)90046-6
Saheed, T., & E. Victor, O. (2025). Impact of external debt on exchange rate in Nigeria. FUDMA Journal of Accounting and Finance Research [FUJAFR], 3(4), 101–111. DOI: https://doi.org/10.33003/fujafr-2025.v3i4.245.101-111
Sweeney, R. J., & Warga, A. D. (1986). The pricing of interest‐rate risk: evidence from the stock market. The Journal of Finance, 41(2), 393-410. DOI: https://doi.org/10.1111/j.1540-6261.1986.tb05044.x
Souza, P. H. Â., Tessmann, M. S., & Rossi, J. L. (2024). The Impacts of the Interest Rate, the Exchange Rate, and the Market Index on the Stock Returns of the Brazilian Banks. Journal of Applied Finance & Banking, 14 DOI: https://doi.org/10.47260/jafb/1423
Sitasari, I., & Firmansyah, Y. (2022). Effect of Inflation, Exchange Rates, and Interest Rates on Financial Sector Share Prices. International Economic and Finance Review, 1(1), 109-139 DOI: https://doi.org/10.56897/iefr.v1i1.7
Tripathi, L. K., Parashar, A., & Jaiswal, S. (2014). Impact of macroeconomic variables on sectorial indices in India. Pacific Business Review International, 6(12), 83-90.
Tuna, G., & Almahadin, H. A. (2021). Does interest rate and its volatility affect banking sector development? Empirical evidence from emerging market economies. Research in International Business and Finance, 58, 101436. DOI: https://doi.org/10.1016/j.ribaf.2021.101436
Tran, H. T. (2013). Relationship between interest rate and bank common stock return: Evidence from the top 10 United States banks and financial sector index.
Yusuf, A., Gwadabe, M., & Ukashatu, A. Y. (2025). Key macroeconomic variables and stock market development in Nigeria: Evidence from Granger Causality Test. FUDMA Journal of Accounting and Finance Research [FUJAFR], 3(2), 16-25. DOI: https://doi.org/10.33003/fujafr-2025.v3i2.169.16-25
Yongosi, M., & Oriavwote, V. E. (2025). Monetary policy and the manufacturing sector in Nigeria. FUDMA Journal of Accounting and Finance Research [FUJAFR], 3(4), 155–171. DOI: https://doi.org/10.33003/fujafr-2025.v3i4.254.155-171
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