PHP is developed and maintained by a global community of contributors.
The PHP Foundation helps fund this work. If PHP is part of your business or projects, consider sponsoring the Foundation.
(PECL trader >= 0.2.0)
trader_rocp — Rate of change Percentage: (price-prevPrice)/prevPrice
realArray of real values.
timePeriodNumber of period. Valid range from 2 to 100000.
Returns an array with calculated data or false on failure.
