EhlersUS

EhlersUS

Category

Description

Ultimate Smoother filter as described by John Ehlers.

Syntax

EhlersUS(expr, count)

Parameters

expr - data series formula

count - lookback period

Notes

Combines HighPass and SuperSmoother characteristics to remove high-frequency noise while preserving the underlying trend with very little lag.

Produces a smoothed version of the source series on the same scale as the input, preserving the overall trend.

This function supports one-pass calculation when used in the Data Section.

Example

EhlersUS(Close, 20)

Smooths the closing price over roughly a 20-bar period, removing short-term noise with very little lag while preserving the overall trend.

The result stays on the same scale as price and can be used as a low-lag trend or signal line.