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Classic Chart Indicators and Studies Find descriptions, formulas, parameters, and other help for the indicators and studies used by the Barchart.com Classic Charting application below. When charting any of the studies, the argument coloring is red, green then blue. For example, on a Moving Average chart [9, 18, 40], the 9 day would be the red line, 18 day would be the green line and the 40 day would be the blue line. The argument order is displayed on the chart next to the study name. Weighted AlphaBarchart's "Weighted Alpha" indicator allows traders to quickly spot stocks or sectors that have shown a strong rally over the past year and which may continue to rally. Alpha is a measure of how much a stock or sector has risen or fallen over a one-year period. Barchart.com takes this Alpha (i.e., the measure of how much a stock has changed in the one-year period) and weights this, assigning more weight to recent activity, and less (0.5 factor) to activity at the beginning of the period. Thus the weighted alpha is a measure of one-year growth with an emphasis on the most recent price activity. A stock whose price has risen over the one-year period will have a positive Weighted Alpha. A stock whose price has not changed in the period will have a small Weighted Alpha and a stock whose price has dropped over the period will have a negative Weighted Alpha. The Weighted Alpha is limited in the amount it may change from one day to the next, thus eliminating large price jumps from the calculation.  TOP
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