Definitions for "detrend"
To attempt to factor out the influence of time on a trend using regressions or other statistical techniques.
In forecasting models, the process of removing an underlying upward or downward trend to present a normalized baseline view of the demand.
The removal of the underlying trend in price. One method of detrending prices is to subtract price from its average and represent the result around a zero line.
Keywords:  double, bottom, top
double bottom double top