The bar chart or OHLC (Open, High, Low, Close) chart is a way to summarize price movement during a set period of time. The Open is signified by a horizontal "tick" mark on the left side of the vertical line bar. The Close is the horizontal tick mark on the right side of the vertical line bar. The High is the very top of the vertical line bar; and the Low is the very bottom of the vertical line bar. The position of the Open and Close varies depending on where the opening price and closing price are in relation to the rest of the bar prices. Note that for the rest of this article, daily (typically 9:30AM Eastern Standard Time to 4:00PM) price bars will be implied in all discussions; although price bars can be any time frame from one minute to one hour to daily to weekly and to monthly.
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