PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The one caveat is when there is known pending news, such as earnings or a regulatory ruling, in which case the implied volatility -- which is really just an artificial expansion of time -- remains high and keeps premiums pumped up.
http://www.w3.org/ns/prov#wasQuotedFrom
  • minyanville.com