About: http://webisa.webdatacommons.org/275265766

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	NSCC, and all physical settlements, including options, futures and other derivatives.
http://www.w3.org/ns/prov#wasQuotedFrom	sec.gov