Learn about Keltner Channel uses, calculations, and strategies for day traders, including how to trade trends and breakouts. There are two differences between Keltner Channels and Bollinger Bands. First, Keltner Channels are smoother than. In this article, we will perform a head-to-head comparison of the Keltner Channels and Bollinger Bands across 5 common trading setups. Linda Bradford Raschke popularized Keltner bands, plotted at an ATR multiple around an exponential MA, to filter trend entries. The Keltner Channel is a moving average band indicator whose upper and lower bands adapt to changes in volatility by using the average true range.