(PECL trader >= 0.2.0)
trader_mfi — Money Flow Index
$high
,$low
,$close
,$volume
,$timePeriod
= ?
high
高價,浮點數(shù)數(shù)組。
low
低價,浮點數(shù)數(shù)組。
close
收盤價,浮點數(shù)數(shù)組。
volume
成交量,浮點數(shù)數(shù)組。
timePeriod
Number of period. Valid range from 2 to 100000.
Returns an array with calculated data or false on failure.