Gordon Scott has been an active investor and technical analyst or 20+ years. He is a Chartered Market Technician (CMT). Alistair Berg / Getty Images A triangle chart pattern is a tool used in ...

For example, a symmetrical triangle pattern might start at a low of $10 and increase to $15 before the price range narrows over time. A breakout from $12 would imply a price target of $17 ($15 ...