The RSI or Relative Strength Index is one of the most popular indicators used in forex charting. Like the Parabolic SAR, it was developed by Welles Wilder, one of the great technical analysts of our age known for his expertise with trading and fx charts. However, it has a very different function.
The Relative Strength Index is a momentum oscillator. It compares the price gains of a stock or currency pair to its losses and expresses this as a number between zero and 100. A trader can use the r
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