TSLA looking very strong this morning in both fundamentals (rumors of a 2nd qtr profit in the July 22nd earnings report) and technicals, including but not limited to this bullish reversal off of its lower linear trend regression channel line on its short-term (hourly) chart. What is a Linear Regression Channel? The Linear Regression Channel is a three-line technical indicator, which outlines the high, the low, and the middle of a trend or price move being analyzed. The indicator was developed by Gilbert Raff, and is often referred to as the Raff Regression Channel. The Linear Regression indicator is typically used to analyze the upper and lower limits of an existing trend. It helps traders to find optimal entry and exit points during price tendencies on the chart.