About: http://webisa.webdatacommons.org/408544275

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	But options become more difficult to value when they are written on less liquid underlying assets, such as commodities and real estate.
http://www.w3.org/ns/prov#wasQuotedFrom	investopedia.com