Trend: The Nasdaq 100 ($NDX) 10-day simple moving average crossed above the 30-day simple moving average on 2-21-2007.
The 10-day moving average crossed below the 30-day moving average in early February (see chart below). The 10-day moving average has been tracking the 30-day moving average since that event. The latest move up for the Nasdaq 100 has pulled the 10-day moving average above the 30-day moving average and created some separation.
The Nasdaq 100 one-year chart below includes the 10, 30, 60, and 90-day simple moving averages.
The Nasdaq 100 Index includes 100 of the largest non-financial domestic companies listed on the Nasdaq National Market tier of the Nasdaq stock market. Each security in the index is represented according to the proportion of its market capitalization in relation to the total market value of the index. This index reflects Nasdaq's largest growth companies across major industry groups. All index components have a minimum market capitalization of $500 million, and an average daily trading volume of at least 100,000 shares (Investopedia).