The Keltner channel indicator shows a central moving average line plus channel lines at a distance avove and below. The indicator is named afer Chester W. Keltner who described it in his 1960 book "How To Make Money in Commodities". Keltner called this indicator the Ten-Day moving average trading rule. His intention was to regard a close above the upper line as a strong bullish signal, and below the lower line as a strong bearish signal.