Algorithmic Trading can be a complex subject. Keep your knowledge current with this glossary of key concepts, terminology, and technical indicators.
The component of a candlestick chart that represents a downward movement in the underlying price. A red candlestick is composed of the period's high, low, opening and closing prices. If the closing price is lower than the day's opening price, then the body of the candle is red or black. Also known as a "black candlestick" or a "closed candlestick".