Nu-Coder Manual

PhpExpress Manual

PHP Joomla
Development

trader_rocp	trader_rocr100

Trader Functions	Last updated: Mon, 26 Oct 2026

trader_rocr

(PECL trader >= 0.2.0)

trader_rocr — Rate of change ratio: (price/prevPrice)

Description

function trader_rocr(array $real, int $timePeriod = ?): array

Parameters

real: 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.

trader_rocp	trader_rocr100

Trader Functions	Last updated: Mon, 26 Oct 2026