<?php$opens = array(135.83, 139.52, 143.43, 143.6);$highs = array(136.74, 141.99, 144.3, 144.3);$lows = array(130.21, 136.7, 140.41, 141.37);$closes = array(131.96, 137.09, 142.06, 143.16);// (Close - Open) / (High - Low)$Balance_Of_Power = trader_bop($opens, $highs, $lows, $closes);var_dump($Balance_Of_Power);/*array(4) { [0]=> float(-0.593) // (131.96 - 135.83) / (136.74 - 130.21) [1]=> float(-0.459) // (137.09 - 139.52) / (141.99 - 136.7) [2]=> float(-0.352) // (142.06 - 143.43) / (144.3 - 140.41) [3]=> float(-0.15) // (143.16 - 143.6) / (144.3 - 141.37)}*/