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Gap (chart pattern)
Price chart analysis concept / From Wikipedia, the free encyclopedia
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A gap is defined as an unfilled space or interval. On a technical analysis chart, a gap represents an area where no trading takes place. On the Japanese candlestick chart, a window is interpreted as a gap. Gaps are spaces on a chart that emerge when the price of the financial instrument significantly changes with little or no trading in between.
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In an upward trend, a gap is produced when the highest price of one day is lower than the lowest price of the following day. Conversely, in a downward trend, a gap occurs when the lowest price of any one day is higher than the highest price of the next day.
For example, the price of a share reaches a high of $30.00 on Wednesday, and opens at $31.20 on Thursday, falls down to $31.00 in the early hour, moves straight up again to $31.45, and no trading occurs in between $30.00 and $31.00 area. This no-trading zone appears on the chart as a gap.
Gaps can play an important role when spotted before the beginning of a move.