STD Stepped Ehlers Optimal Tracking Filter MTF w/ Alerts is the traditional Ehlers Optimal Tracking Filter but with stepped price levels, access to multiple time frames, and alerts.
What is Ehlers Optimal Tracking Filter?
From "OPTIMAL TRACKING FILTERS" by John Ehlers:
"Dr. R.E. Kalman introduced his concept of optimum estimation in 1960. Since that time,...
![USDCAD: STD Stepped Ehlers Optimal Tracking Filter MTF w/ Alerts [Loxx]](https://s3.tradingview.com/4/4ebYbQYv_mid.png "STD Stepped Ehlers Optimal Tracking Filter MTF w/ Alerts [Loxx]")
