Adaptive ATR Channels are adaptive Keltner channels. ATR is calculated using a rolling signal-to-noise ratio making this indicator flex more to changes in price volatility than the fixed Keltner Channels.
What is Average True Range (ATR)?
The average true range (ATR) is a technical analysis indicator, introduced by market technician J. Welles Wilder Jr. in...
Level: 2
Background
John F. Ehlers introuced another Enhanced Signal to Noise Indicator in his "Rocket Science for Traders" chapter 8.
Function
blackcat L2 Ehlers Signal to Noise Indicator is used to measure Signal-to-Noise Ratio (SNR). In this code, the period of the measured dominant cycle is calculated in exactly the same manner as we calculated it for...
Level: 2
Background
John F. Ehlers introuced Signal to Noise Indicator in his "Rocket Science for Traders" chapter 8. Dr. Ehlers terms the case where half the average daily trading range is equal to the signal amplitude as our zero decibel Signal-to-Noise Ratio (0 dB SNR) condition. He wants the signal amplitude to be at least twice the noise amplitude (6dB...
![USDCAD: Adaptive ATR Keltner Channels [Loxx]](https://s3.tradingview.com/2/2Jm61kad_mid.png "Adaptive ATR Keltner Channels [Loxx]")
![BTCUSD: [blackcat] L2 Ehlers Enhanced Signal to Noise Indicator](https://s3.tradingview.com/g/GfpDqgMd_mid.png "[blackcat] L2 Ehlers Enhanced Signal to Noise Indicator")
![BTCUSD: [blackcat] L2 Ehlers Signal to Noise Indicator](https://s3.tradingview.com/r/RGMJUq98_mid.png "[blackcat] L2 Ehlers Signal to Noise Indicator")