PHP 8.4.0 RC4 available for testing

trader_cci

(PECL trader >= 0.2.0)

trader_cciCommodity Channel Index

Опис

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

Параметри

high

Найвища ціна, масив дійсних значень.

low

Найнижча ціна, масив дійсних значень.

close

Ціна під час закриття, масив дійсних значень.

timePeriod

Число періоду. Допустимі значення від 2 до 100000.

Значення, що повертаються

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

// The CCI (Commodity Channel Index) is an oscillator that
// relies on historical price momentum to determine if it is "overbought" or "oversold".
// When greater than zero the price is "above" the historic average.
// When less than zero the price is "below" the historic average.
// Investopedia claims:
// "The CCI is an unbounded oscillator, meaning it can go higher or lower indefinitely. For this reason, overbought and oversold levels are typically determined for each individual asset by looking at historical extreme CCI levels where the price reversed from."

$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 = 7;

var_dump(trader_cci ($highs, $lows, $closes, $time_period));
/*
array(8) {
[6]=>
float(-83.234)
[7]=>
float(-137.329)
[8]=>
float(-145.78)
[9]=>
float(-101.047)
[10]=>
float(-9.331)
[11]=>
float(-59.339)
[12]=>
float(-66.964)
[13]=>
float(76.143)
}
*/
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