About: http://webisa.webdatacommons.org/353135079

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 some metals and other commodities markets, producers use derivatives contracts to lock in sales prices on a portion of their production and guarantee some of their cash flow.
http://www.w3.org/ns/prov#wasQuotedFrom	advfn.com