Comparison of G20 countries in terms of value of return for banking sector indexes

In this study, it is aimed to determine the cointegration between the financial sector stock market indices and the BIST financial index among the G20 countries and to create a portfolio between the current exchanges for savers who plan to invest in countries between the G20 countries and to benefit them in their decision-making processes. Accordingly, the cointegration between the BIST financial index (XUMAL) and the financial indices of the G20 countries' stock markets was examined. Data sets of the stock markets of the relevant countries between January 2010 and December 2019 were used in the study. While doing this analysis, Argentina and Saudi Arabia, which are among the G20 countries, are excluded from the analysis since there are no index data of the financial sector in all of the mentioned date ranges. Financial index data of countries can be found at https://tr.investing.com/indices/. Logarithmic transformation has been applied to the financial index data sets for the expression of country data sets in the same unit. Eviews 10 program was used in the analysis of the research data. Turkey financial index USA, Germany, the financial indices between France and Britain track and max-eigen statistical values for what is greater than the critical value, and Turkey seems to be talking about long-term relationships between these principles. Turkey's financial year in which a milking will occur in the index in the US 21.6%; 18.3% in Germany; It is estimated to recover by 16.8% in France and 18.8% in England. KeyWords: Banking, G20, BIST, Stock Exchange Index