India's VIX moved down by 4.39% from 13.45 to 12.86 levels. Volatility cooled off from its highs and paved the way for the strong comeback of bulls.Chart readers said Nifty closed above its 9 & 21 EMA, which is positive for the short term.Options data suggests a broader trading range between 17700 to 18300 zones, while a shift in an immediate trading range between 17850 to 18200 zones