SPX_RENKO_with_ATR . 01_SPX_60 stockcharts.com/c-sc/sc?s=$spx&p=60&yr=0&mn=7&dy=0&id=p63174885387&a=226707039 . 02_SPX_D stockcharts.com/c-sc/sc?s=$spx&p=d&yr=3&mn=0&dy=0&id=p99619960756&a=226707167 . 03_SPX_W stockcharts.com/c-sc/sc?s=$spx&p=w&yr=5&mn=0&dy=0&id=p43331181988&a=226707219