Clik here to view.
Ehlers Loops
Price charts normally display price over time. Or in some special cases price over ranges or momentum. In his TASC articles in June and July 2022, John Ehlers proposed a different way of charting. The...
View ArticleClik here to view.
Open or Close? Why Not Both?
In his TASC February 2023 article, John Ehlers proposed to use the average of open and close, rather than the close price, for technical indicators. The advantage is a certain amount of noise...
View ArticleClik here to view.
Undersampling
All the popular ‘smoothing’ indicators, like SMA or lowpass filters, exchange more lag for more smoothing. In TASC 4/2023, John Ehlers suggested the undersampling of price curves for achieving a better...
View ArticleClik here to view.
Ehlers’ Ultimate Smoother
In TASC 3/24, John Ehlers presented several functions for smoothing a price curve without lag, smoothing it even more, and applying a highpass and bandpass filter. No-lag smoothing, highpass, and...
View ArticleClik here to view.
Ehlers’ Precision Trend Analysis
In TASC 8/24, John Ehlers presented a new algorithm for separating the trend line from a price curve, using spectral analysis functions. Trend lines are only useful for trading when they have little...
View ArticleClik here to view.
The Ultimate Strength Index
The RSI (Relative Strength Index) is a popular indicator used in many trading systems for filters or triggers. In TASC 12/2024 John Ehlers proposed a replacement for this indicator. His USI (Ultimate...
View ArticleClik here to view.
Ehlers’ Ultimate Oscillator
In his TASC article series about no-lag indicators, John Ehlers presented last month the Ultimate Oscillator. What’s so ultimate about it? Unlike other oscillators, it is supposed to indicate the...
View ArticleClik here to view.
The Cybernetic Oscillator
Oscillator-type indicators swing around the zero line. They are often used for opening positions when oscillator exceeds a positive or negative threshold. In his article series about no-lag indicators,...
View ArticleClik here to view.
The One Euro Filter
Whenever John Ehlers writes about a new indicator, I crack it open and wire it straight into C for the Zorro platform. Or rather, I let ChatGPT do most of the work. The One Euro Filter is a...
View ArticleClik here to view.
The AutoTune filter
By the Fourier theorem, any price curve is a mix of many long-term and short-term cycles. Once in a while a dominant market cycle emerges and can be exploited for trading. In his TASC 5/2026 article,...
View Article
