SPX 1 and 30 min stockcharts.com/c-sc/sc?s=%24SPX&p=1&yr=0&mn=0&dy=3&i=p62445876942&a=424099943&r=1455146738167 stockcharts.com/c-sc/sc?s=%24SPX&p=30&st=2015-01-29&en=2016-03-18&i=p22274503542&a=307755350&r=1455146577294