A healthy financial sector is crucial for economic growth. The stock market to an economy, what a clinical thermometer is to a human body, reflects the health of the economy. Again, the economy of the developed countries always has a great impact on the other economically weak countries. In this study our aim is to compare S&P 500 Index and DSE General Index, which may tell about the major similarity and dissimilarity about the compared stock markets. Here, to compare the stock markets we take volatility comparison, different time series models and so on.