Paper Title
Estimatıng the Volatilite of Stock Markets in Case of Fınancial Crisis

Abstract
In this paper, effects and responses of stock were analyzed. This analysis was done periodically. Thedimensions of the financial crisis impact on the stock market was investigated by GARCH model. In this context, S&P 500 stock market are modeled with DAX, NIKKEI and BIST100. In this way, The effects of the changing in S&P 500 stock market were examined on European and Asian stock markets. Conditional variance coefficient will be calculated through garch model. The scope of the crisis period, the conditional covariance coefficient will be analyzed comparatively. Keywords - Conditional Variance Coefficient, Financial Crisis,Garch Model,Stock Market