A Japanese candlestick is a type of price chart that shows the opening, closing, high and low price points for each given period.A candlestick is a type of price chart that displays the high, low, open, and closing prices of a security for a specific period and originated from Japan.A candlestick chart (also called Japanese candlestick chart) is a style of financial chart used to describe price movements of a security, derivative, or currency.