About: http://webisa.webdatacommons.org/447826454

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	In fact, there is a systematic difference between the implied volatility of the basket and the (properly weighted) sum of implied volatilities on the components.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com