Derivative Oscillator as published by Constance Brown
"Technical Analysis for the trading professional"
 Low lag oscillator which is useful at divergence analysis
Derivative Oscillator alert 1.01Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â (rsi based-signal line addition)
Derivative Oscillator alert 1.02Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â (cleaned-user friendly)
Derivative Oscillator arrow alert nmc            (ema smooth)
