Php/docs/function.trader-rocp
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trader_rocp
(PECL trader >= 0.2.0)
trader_rocp — Rate of change Percentage: (price-prevPrice)/prevPrice
说明
trader_rocp
( array $real
[, int $timePeriod
] ) : array
参数
real- 浮点数数组。
timePeriod- Number of period. Valid range from 2 to 100000.
返回值
Returns an array with calculated data or false on failure.
