MACD

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·  The "difference line" is known as the MACD "fast" line. It is calculated as the numerical difference in price between the first two of the three exponentially weighted moving averages supplied as input defaults. (An exponential moving average is one where disproportionately heavy weight is assigned to the recent past.)

·  The "slow Signal" line uses the third moving average period to measure the rate of change in movement of the difference line.

·  Finally, the "histogram" line presents the difference between the blue and green lines. Although it is called the MACDHistogram, it is shown as a line (rather than a histogram) to simplify the busy study results in an easiertoread format.
