VXO daily since 2008 - http://stockcharts.com/h-sc/ui?s=$VXO&p=D&st=2008-01-01&en=%28today%29&id=p89171210728&a=190550791 chart view below ... other index prices are the daily closes, not the price bars stockcharts.com/c-sc/sc?s=$vxo&p=d&st=2008-01-01&en=(today)&id=p23697177102&a=190550791