what is the fisher transform indicator 
the fisher transform indicator is a technical indicator that converts prices into a gaussian normal distribution it highlights when prices have moved to an extreme based on recent prices this may help in spotting turning points in the price of an asset it also helps show the trend and isolate the price waves within a trend the fisher transform indicator was created by john f ehlers formula and how to calculate the fisher transform indicatorfisher transform 1 2 ln 1 x 1 x where ln is the natural logarithm x transformation of price to a level between 1 and 1 begin aligned text fisher transform frac 1 2 ln left frac 1 x 1 x right textbf where ln text is the natural logarithm x text transformation of price to a level between 1 and 1 end aligned fisher transform 21 ln 1 x1 x where ln is the natural logarithmx transformation of price to a level between 1 and 1 now that you know the formula you can use the following steps to calculate the fisher transform indicator 