(PECL trader >= 0.2.0)
trader_aroon — Aroon
$high, array $low, int $timePeriod = ?): array
high高價,浮點數(shù)數(shù)組。
low低價,浮點數(shù)數(shù)組。
timePeriodNumber of period. Valid range from 2 to 100000.
Returns an array with calculated data or false on failure.