PHP Manual
Trader Functions
Rate of change ratio: (price/prevPrice)

trader_rocr

(PECL trader >= 0.2.0)

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

Description

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.

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