Nu-Coder Manual

PhpExpress Manual

PHP Joomla
Development

trader_mult	trader_obv

Trader Functions	Last updated: Mon, 26 Oct 2026

trader_natr

(PECL trader >= 0.2.0)

trader_natr — Normalized Average True Range

Description

function trader_natr(
    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.

trader_mult	trader_obv

Trader Functions	Last updated: Mon, 26 Oct 2026