Gaussian Filter
Gaussian Filter is a single-pole Gaussian kernel applied recursively. Beautifully smooth, no overshoot, and the canonical noise-reduction stage that Ehlers builds most of his other filters on. - Raise width (the standard-deviation multiplier) for a thicker, smoother line. - Best on noisy assets (BTCUSD, ES) and as a pre-smoother for downstream indicators. - Combine with a faster line for non-trendline Gaussian crossover signals.