Candlesticks are a method of viewing the open, high, low and close values for a charting interval; the same data used in the construction of bar charts. The prices between the open and close of the specified interval are represented by the body of the candlestick, and the highs and lows are shown as thin wicks above and below the candle body. Traditionally, hollow candlesticks show times when the close is higher than the open for that charting interval ("up" bars), and filled candlesticks signify that the close is lower than the open ("down" bars). Traders also can use candlesticks of different colors to represent the up and down bars; one popular approach is to use green candlesticks for the up bars and red candlesticks for the down bars.
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