candlestick

A candlestick chart is a style of bar-chart used primarily to describe price movements of an equity over time.

photo by babypips

It is a combination of a line-chart and a bar-chart, in that each bar represents the range of price movement over a given time interval. It is most often used in technical analysis of equity and currency price patterns. They appear superficially similar to error bars, but are unrelated.

by wikipedia