CascadiaPHP 2024

trader_atr

(PECL trader >= 0.2.0)

trader_atrAverage True Range

Descrizione

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

Elenco dei parametri

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.

Valori restituiti

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
// Average True Range is a volatility indicator and does not indicate trend, only volatility
$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);

$time_period = 5;
var_dump(trader_atr($highs, $lows, $closes, $time_period));
/*
array(9) {
[5]=>
float(5.74)
[6]=>
float(5.384)
[7]=>
float(5.005)
[8]=>
float(4.962)
[9]=>
float(5.388)
[10]=>
float(5.05)
[11]=>
float(5.108)
[12]=>
float(5.136)
[13]=>
float(5.063)
}
*/
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