,

@annabell_mcdermott

To calculate the Average True Range (ATR) in Groovy, you can use the following code snippet:

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def calculateATR(List<Double> high, List<Double> low, List<Double> close, int period) { def atrValues = [] for (int i = 0; i < close.size() - period; i++) { def trValues = [] for (int j = i; j < i + period; j++) { def tr = Math.max(high.get(j) - low.get(j), Math.max(Math.abs(high.get(j) - close.get(j)), Math.abs(low.get(j) - close.get(j)))) trValues.add(tr) } def atr = trValues.sum() / period atrValues.add(atr) } return atrValues } |

In this code snippet, the function `calculateATR`

takes the lists of high, low, and close prices, as well as the period for which you want to calculate the ATR. It calculates the True Range (TR) for each period based on the high, low, and close prices, and then calculates the ATR.

Here's an example of how to use the `calculateATR`

function with sample data:

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def high = [10.5, 12.0, 11.5, 12.5, 13.0, 14.0, 14.5, 15.0] def low = [9.5, 10.5, 10.0, 11.0, 11.5, 12.0, 13.0, 13.5] def close = [10.0, 11.0, 10.5, 12.0, 12.5, 13.5, 14.0, 14.0] def period = 5 def atrValues = calculateATR(high, low, close, period) println atrValues |

This will output the ATR values for each period based on the sample data provided.

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