The FXB.ta.DPO class calculates the Detrended Price Oscillator. It is a value-based calculation, and can be applied to any series of values including the output of another FXB.ta calculation. Parameters are as follows:
| Parameter | Description |
| period | Rolling period for the calculation |
| maType | Type of moving average. Defaults to an exponential moving average (ema / 1). |
