ARTICLE SYNOPSIS ...A better way to smooth data by J.S. Payne, Ph.D. What every trader desires is indicators that give strong signals with no misleading period-to period jitter, or noise. We all know what noise is to a trader, but let's restate it. Noise is something in your data that happens so quickly you can't take advantage of it. Noise is ""high frequency"" data not indicative of price movement sustained through several time periods. For a day trader, this could be a price spike shown in a one-minute bar chart. For an overnight trader, noise could be a price spike that occurred as a false breakout on a sing...