Detrended Price Oscillator
The Detrended Price Oscillator compares the Close Price to a prior Moving Average, thereby eliminating cycles longer than the Moving Average period.
Downturns from a DPO high indicate an overbought condition and upturns from a DPO low indicate an oversold condition.
1. Lookback bars = (Period / 2) + 1
2. DPO = Close - SMA(Period) as at Lookback bars ago