Big Picture Volatility Chart
Average Intraday Range, Dow & NASDAQ (July 23, 1998 - March 1, 2011)

Understanding the Average Intraday Range is one key to successful day trading, along with trading for the long term. The SCANSHIFT Range Extension Rectangle data has been compiled in the "Big Picture Volatility Chart" to show the long-term trends, in raw points, for the Dow and NASDAQ Average Intraday Ranges.

For definition purposes, the Intraday Range is the difference in points (can also be calculated in percentages) between the high and low during a trading session. The Average Intraday Range is the mean or average of the daily Intraday ranges over the prior 30 days.