About: http://webisa.webdatacommons.org/48153807

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	and options contracts and other listed instruments that are economically equivalent to such contracts) based on the same underlying physical commodity, including oil, gas, precious metals and agricultural commodities.
http://www.w3.org/ns/prov#wasQuotedFrom	sec.gov