Detrended Price Oscillator

DetrendedPriceOscillator(Vector, Periods, MA Type)
DPO(Vector, Periods, MA Type)

Overview
Similar to the Price Oscillator except DPO is used when long-term trends or
outliers make the underlying price difficult to analyze.

Interpretation
Buying occurs when the oscillator rises. Selling occurs when the oscillator falls.

Recommended Parameters
Vector: CLOSE
Periods: 20
MA Type: SIMPLE

Example
set BUY = DPO(CLOSE, 20, SIMPLE) > 0
Evaluates to buy when the Detrended Price Oscillator is in positive territory.