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The DS_Stochastic indicator is the original Stochastic Oscillator with the EMA smoothing.

The indicator uses SmoothAlgorithms.mqh library classes (must be copied to the terminal_data_folder\MQL5\Include). The use of the classes was thoroughly described in the article "Averaging Price Series for Intermediate Calculations Without Using Additional Buffers".

The original DS_Stochastic indicator was developed in the MQL4 language and published in the CodeBase on 27.10.2006.

Figure 1. The DS_Stochastic indicator