trader_cdldarkcloudcover

(PECL trader >= 0.2.0)

trader_cdldarkcloudcover — Dark Cloud Cover

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trader_cdldarkcloudcover ( array $open , array $high , array $low , array $close [, float $penetration ] ) : array

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high: �߼ۣ��顣
low: �ͼۣ��顣
close: ��̼ۣ��顣
penetration: һ��̨��뵽��һ��̨�İٷֱȡ�

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Returns an array with calculated data or false on failure.