About: http://webisa.webdatacommons.org/310703559

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The S&P 500 is the most common index used in comparing a stock??s volatility.
http://www.w3.org/ns/prov#wasQuotedFrom	aaii.com