Learn what the relative strength index (RSI) is, how it works, and how to read overbought and oversold signals, along with the formula behind this popular indicator.

Learn how to measure the magnitude of price changes in 11 minutes Gordon Scott has been an active investor and technical analyst or 20+ years. He is a Chartered Market Technician (CMT). Investopedia / ...

If you’ve ever looked at a trading platform and seen a chart filled with rectangles and vertical lines, you’ve already encountered a candlestick chart — even if you didn’t realize it. These colorful ...