After the U.S. subprime mortgage crisis, many noise traders enter the futures markets causing the trading market information change. By using both revised GARCH (1, 1) models, we will exam the subprime crisis impact on both Asian Index Futures and Stock Market Volatility. This study addresses the issue of information asymmetry whether increase or decrease among investors after subprime crisis. The findings we provide in this research indicate that noise traders increase index futures and stock market volatility after the post-subprime mortgage crisis in most Asian areas. Since such actions gives raise to the instability and the investment risk of investors in the transaction market.