About: http://webisa.webdatacommons.org/171841739

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 one thing they all have in common is an expiration date and that they employ leverage: Buyers and sellers must only post a small amount of the contract???s value in margin.
http://www.w3.org/ns/prov#wasQuotedFrom	minyanville.com