Ian Copsey's indicator RSS (Relative Spread Strength) was presented in Stocks & Commodities in October, 2006.

The indicator has seven configurable parameters:

• Fast MA period - fast EMA period;
• Slow MA period - slow EMA period;
• RSI period - RSI calculation period;
• Smoothing period - smoothing period;
• Applied price - the calculation price;
• Overbought level - overbought level;
• Oversold level.