Relationship between financial ratios and the volatility of stock prices: An econometric application on BIST manufacturing industry index

The aim of this study is to determine the relationship between financial ratios and the volatility of stock prices by using an econometric analysis such as panel data techniques. The study covers the balance data of the period from 2007 to 2017 for the 123 companies from manufacturing industry in Borsa Istanbul in Turkey. The series to be used in the model were applied "unit root tests" and examined whether they are stationary or not. Correlation matrix analysis, the classical, fixed effect and random effect regression models were obtained. The dependent variable used in the study is the Volatility of the Stock Price and independent variables are financial ratios such as Current Ratio, Leverage Ratio, Receivables Turnover Ratio, Company value, Company value/Book value, Return on Assets, Stock Turnover Ratio, Assets Turnover Ratio and Assets Growth. Based on the study, it was determined that the effects of financial ratios on the volatility of stock prices vary in different significance levels. The results carry important implications for the investors in Borsa Istanbul.