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Fisher Transform

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With distinct turning points and a rapid response time, the Fisher Transform uses the assumption that while prices do not have a normal or Gaussian probability density function (that familiar bell-shaped curve), you can create a nearly Gaussian probability density function by normalizing price (or an indicator such as RSI) and applying the Fisher Transform. Use the resulting peak swings to clearly identify price reversals.




FisherTransform(int period)
FisherTransform(IDataSeries input, int period)


Returns default value
FisherTransform(int period)[int barsAgo]
FisherTransform(IDataSeries input, int period)[int barsAgo]



Return Value

double; Accessing this method via an index value [int barsAgo] returns the indicator value of the referenced bar.





Indicator source data (?)


Number of bars used in the calculation




// Prints the current value of a 10 period using default (median) price type
double value = FisherTransform(10)[0];
Print("The current Fisher Transform value is " + value.ToString());



Source Code

You can view this indicator method source code by selecting the menu Tools > Edit NinjaScript > Indicator within the NinjaTrader Control Center window.