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trader_ppo	trader_rocp

Trader Functions	Last updated: Mon, 26 Oct 2026

trader_roc

(PECL trader >= 0.2.0)

trader_roc — Rate of change : ((price/prevPrice)-1)*100

Description

function trader_roc(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_ppo	trader_rocp

Trader Functions	Last updated: Mon, 26 Oct 2026