The parabolic definition in terms of trading and investing refers to a parabolic move in price on a chart and comes from the mathematical term parabola. Below is what a parabola looks like and what describes a parabolic move on a price chart when you see it happening.During a parabolic move, price goes up in a steep upward incline on a chart as buying increases dramatically bidding up a price higher and higher with little if any short term pullbacks. Price action moves nearly straight up and looks like a parabola pattern. A parabolic move on a chart is one of the most powerful types of chart patterns showing extreme ... (full story)