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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.

Classic Charts and Technical Charts each have their own set of studies.

View Technical Chart Indicators

Classic Chart Indicators and Studies

When you switch between Classic and Technical Charts, any studies already on the chart are removed, as the indicators do not transfer.

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.

Welles Wilder Volatility

Welles Wilder Volatility is a trend-following system. It is also a true reversal system, where the position is reversed at every stop.

This indicator is intended to measure true range over time. The interpretation is if volatility is high, the range is expanding and the opposite holds.

If the dots are above the chart, they will be colored red, and this suggests that the security is in a bearish trend. Similarly if the dots are below the chart, they will be colored green, and this suggests a bullish trend.

VI today = N*VI previous+TR1/X, where

VI = Volatility Index
X = Time period
N = Time Period-One Unit
TR1 = Today's True Range

Sample Chart:

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