$SPX - butt IF let's say ADD the diff of 0.19192345 to DAY HIGH 53.19003666  = 53.38196011 *2 = 2849.633665 area OR 1/2 of 0.19192345 = 0.95961725 + 53.19003666 = 53.28599836 *2 = 2839.39762 =&gt; Adv. Cam. Cal Target #2 area  could also end up @ the .25 area on the "OPEN" sheet