trader_adxr

(PECL trader >= 0.2.0)

trader_adxr — Average Directional Movement Index Rating

Description

trader_adxr(
    array $high,
    array $low,
    array $close,
    int $timePeriod = ?
): array

Parameters

high: High price, array of real values.
low: Low price, array of real values.
close: Closing price, array of real values.
timePeriod: Number of period. Valid range from 2 to 100000.

Return Values

Returns an array with calculated data or false on failure.

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User Contributed Notes 1 note

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geekgirl dot joy at gmail dot com ¶

3 years ago

<?php
// ADXR measures the difference in the change of momentum in the ADX.
// The ADXR is equal to the current ADX plus the ADX from n datapoints previous, divided by 2.

$highs = array(118.99, 119.14, 120.5, 115.23, 115.93, 118.829, 116, 112.2, 110.88, 110.19, 112.86, 112.11, 110.25, 112.44);
$lows = array(112.68, 115.26, 112.5, 110, 112.8, 113.61, 112.04, 108.71, 106.09, 103.1, 109.16, 106.77, 105, 107.67);
$closes = array(112.82, 117.32, 113.49, 112, 115.355, 115.54, 112.13, 110.34, 106.84, 110.08, 111.81, 107.12, 108.22, 112.28);

$time_period = floor((count($highs)-2) / 2)-2;
                                     
var_dump(trader_adxr($highs, $lows, $closes, $time_period));
/*
array(4) {
  [10]=>
  float(41.004)
  [11]=>
  float(44.783)
  [12]=>
  float(50.257)
  [13]=>
  float(43.597)
}
*/

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