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trader_rocp

(PECL trader >= 0.2.0)

trader_rocp — Rate of change Percentage: (price-prevPrice)/prevPrice

Description

trader_rocp(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.