Free Bollinger Bands
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by hobaho
09 Jan 2014, 14:57
Bollinger Bands contain three lines: a moving average, an upper band and a lower band. The upper band equals K times a standard deviation above the moving average and the...
by hobaho
09 Jan 2014, 15:17
A simplified version of the Keltner Channels, using exponential smoothing for the central line and Average True Range to calculate the upper and lower bands. 
Free Keltner Channels
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by hobaho
02 Aug 2012, 10:40
Keltner Channels show a central moving average of the typical price line plus channel lines at a distance above and below. This distance is the simple moving average of the past...
Free Bull Power
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by hobaho
02 Aug 2012, 10:26
Bull Power represents the ability of the bulls to raise prices above the average consensus of value. Uses an exponential moving average, which is a trend-following indicator essential to the calculation....
Free High Minus Low
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by hobaho
02 Aug 2012, 13:17
High Minus Low is an indicator that simply calculates the fluctuations of Range (High minus Low) of each daily bar.  
Free Bear Power
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by hobaho
02 Aug 2012, 10:30
Bear power subtracts an exponential moving average from the corresponding low price of that trading day.Bear Power represents the ability of the bears to push prices below the average consensus...
Free Historical Volatility
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by hobaho
02 Aug 2012, 12:46
Historical volatility, as the name implies, measures the volatility of a market in the past, i.e. the historical fluctuation of price.  As such it uses historical price data for the...